theme[nfc]: Remove colorMessageHeaderIconInteractive

Removed `colorMessageHeaderIconInteractive` from
`DesignVariables` and used `title` in place of it
as per the design guidelines.

Author: Gaurav-Kushwaha-1225

lib/widgets/theme.dart

@@ -118,52 +118,52 @@ const kZulipBrandColor = Color.fromRGBO(0x64, 0x92, 0xfe, 1);
 ///   https://www.figma.com/design/1JTNtYo9memgW7vV6d0ygq/Zulip-Mobile?node-id=2945-49492&t=MEb4vtp7S26nntxm-0
 class DesignVariables extends ThemeExtension<DesignVariables> {
   static final light = DesignVariables._(
-    background: const Color(0xffffffff),
-    bannerBgIntDanger: const Color(0xfff2e4e4),
-    bgBotBar: const Color(0xfff6f6f6),
-    bgContextMenu: const Color(0xfff2f2f2),
-    bgCounterUnread: const Color(0xff666699).withValues(alpha: 0.15),
-    bgMenuButtonActive: Colors.black.withValues(alpha: 0.05),
-    bgMenuButtonSelected: Colors.white,
-    bgTopBar: const Color(0xfff5f5f5),
-    borderBar: Colors.black.withValues(alpha: 0.2),
-    borderMenuButtonSelected: Colors.black.withValues(alpha: 0.2),
-    btnLabelAttLowIntDanger: const Color(0xffc0070a),
-    btnLabelAttMediumIntDanger: const Color(0xffac0508),
-    composeBoxBg: const Color(0xffffffff),
-    contextMenuCancelText: const Color(0xff222222),
-    contextMenuItemBg: const Color(0xff6159e1),
-    contextMenuItemText: const Color(0xff381da7),
-    editorButtonPressedBg: Colors.black.withValues(alpha: 0.06),
-    foreground: const Color(0xff000000),
-    icon: const Color(0xff6159e1),
-    iconSelected: const Color(0xff222222),
-    labelCounterUnread: const Color(0xff222222),
-    labelEdited: const HSLColor.fromAHSL(0.35, 0, 0, 0).toColor(),
-    labelMenuButton: const Color(0xff222222),
-    mainBackground: const Color(0xfff0f0f0),
-    textInput: const Color(0xff000000),
-    title: const Color(0xff1a1a1a),
-    bgSearchInput: const Color(0xffe3e3e3),
-    textMessage: const Color(0xff262626),
-    channelColorSwatches: ChannelColorSwatches.light,
-    contextMenuCancelBg: const Color(0xff797986).withValues(alpha: 0.15),
-    contextMenuCancelPressedBg: const Color(0xff797986).withValues(alpha: 0.20),
-    dmHeaderBg: const HSLColor.fromAHSL(1, 46, 0.35, 0.93).toColor(),
-    groupDmConversationIcon: Colors.black.withValues(alpha: 0.5),
-    groupDmConversationIconBg: const Color(0x33808080),
-    inboxItemIconMarker: const HSLColor.fromAHSL(0.5, 0, 0, 0.2).toColor(),
-    loginOrDivider: const Color(0xffdedede),
-    loginOrDividerText: const Color(0xff575757),
-    modalBarrierColor: const Color(0xff000000).withValues(alpha: 0.3),
-    mutedUnreadBadge: const HSLColor.fromAHSL(0.5, 0, 0, 0.8).toColor(),
-    navigationButtonBg: Colors.black.withValues(alpha: 0.05),
-    sectionCollapseIcon: const Color(0x7f1e2e48),
-    star: const HSLColor.fromAHSL(0.5, 47, 1, 0.41).toColor(),
-    subscriptionListHeaderLine: const HSLColor.fromAHSL(0.2, 240, 0.1, 0.5).toColor(),
-    subscriptionListHeaderText: const HSLColor.fromAHSL(1.0, 240, 0.1, 0.5).toColor(),
-    unreadCountBadgeTextForChannel: Colors.black.withValues(alpha: 0.9),
-  );
+      background: const Color(0xffffffff),
+      bannerBgIntDanger: const Color(0xfff2e4e4),
+      bgBotBar: const Color(0xfff6f6f6),
+      bgContextMenu: const Color(0xfff2f2f2),
+      bgCounterUnread: const Color(0xff666699).withValues(alpha: 0.15),
+      bgMenuButtonActive: Colors.black.withValues(alpha: 0.05),
+      bgMenuButtonSelected: Colors.white,
+      bgTopBar: const Color(0xfff5f5f5),
+      borderBar: Colors.black.withValues(alpha: 0.2),
+      borderMenuButtonSelected: Colors.black.withValues(alpha: 0.2),
+      btnLabelAttLowIntDanger: const Color(0xffc0070a),
+      btnLabelAttMediumIntDanger: const Color(0xffac0508),
+      composeBoxBg: const Color(0xffffffff),
+      contextMenuCancelText: const Color(0xff222222),
+      contextMenuItemBg: const Color(0xff6159e1),
+      contextMenuItemText: const Color(0xff381da7),
+      editorButtonPressedBg: Colors.black.withValues(alpha: 0.06),
+      foreground: const Color(0xff000000),
+      icon: const Color(0xff6159e1),
+      iconSelected: const Color(0xff222222),
+      labelCounterUnread: const Color(0xff222222),
+      labelEdited: const HSLColor.fromAHSL(0.35, 0, 0, 0).toColor(),
+      labelMenuButton: const Color(0xff222222),
+      mainBackground: const Color(0xfff0f0f0),
+      textInput: const Color(0xff000000),
+      title: const Color(0xff1a1a1a),
+      bgSearchInput: const Color(0xffe3e3e3),
+      textMessage: const Color(0xff262626),
+      channelColorSwatches: ChannelColorSwatches.light,
+      contextMenuCancelBg: const Color(0xff797986).withValues(alpha: 0.15),
+      contextMenuCancelPressedBg: const Color(0xff797986).withValues(alpha: 0.20),
+      dmHeaderBg: const HSLColor.fromAHSL(1, 46, 0.35, 0.93).toColor(),
+      groupDmConversationIcon: Colors.black.withValues(alpha: 0.5),
+      groupDmConversationIconBg: const Color(0x33808080),
+      inboxItemIconMarker: const HSLColor.fromAHSL(0.5, 0, 0, 0.2).toColor(),
+      loginOrDivider: const Color(0xffdedede),
+      loginOrDividerText: const Color(0xff575757),
+      modalBarrierColor: const Color(0xff000000).withValues(alpha: 0.3),
+      mutedUnreadBadge: const HSLColor.fromAHSL(0.5, 0, 0, 0.8).toColor(),
+      navigationButtonBg: Colors.black.withValues(alpha: 0.05),
+      sectionCollapseIcon: const Color(0x7f1e2e48),
+      star: const HSLColor.fromAHSL(0.5, 47, 1, 0.41).toColor(),
+      subscriptionListHeaderLine: const HSLColor.fromAHSL(0.2, 240, 0.1, 0.5).toColor(),
+      subscriptionListHeaderText: const HSLColor.fromAHSL(1.0, 240, 0.1, 0.5).toColor(),
+      unreadCountBadgeTextForChannel: Colors.black.withValues(alpha: 0.9),
+    );
 
   static final dark = DesignVariables._(
       background: const Color(0xff000000),