feat(cat-voices): enhance dialog positioning with fillPosition parameter (#2157) (#2158)

* feat: add fillPosition option to dialog classes

* feat: update SubmitCommentErrorDialog for fillPosition support

* feat: conditionally render child in VoicesSinglePaneDialog based on fillPosition

* feat: pass fillPosition to VoicesDesktopInfoDialog

Co-authored-by: Damian Moliński <[email protected]>

Author: LynxLynxx

catalyst_voices/apps/voices/lib/widgets/modals/comment/submit_comment_error_dialog.dart

@@ -20,6 +20,7 @@ class SubmitCommentErrorDialog {
       ),
       builder: (context) {
         return VoicesDesktopInfoDialog(
+          fillPosition: true,
           icon: VoicesAssets.icons.exclamation.buildIcon(
             color: Theme.of(context).colors.iconsWarning,
           ),

catalyst_voices/apps/voices/lib/widgets/modals/voices_desktop_dialog.dart

@@ -15,6 +15,7 @@ class VoicesSinglePaneDialog extends StatelessWidget {
   final bool showClose;
   final Alignment closeAlignment;
   final Widget child;
+  final bool fillPosition;
 
   const VoicesSinglePaneDialog({
     super.key,
@@ -27,6 +28,7 @@ class VoicesSinglePaneDialog extends StatelessWidget {
     this.showBorder = false,
     this.showClose = true,
     this.closeAlignment = Alignment.topRight,
+    this.fillPosition = false,
     required this.child,
   });
 
@@ -39,7 +41,12 @@ class VoicesSinglePaneDialog extends StatelessWidget {
       child: Stack(
         alignment: closeAlignment,
         children: [
-          Positioned.fill(child: child),
+          if (fillPosition)
+            Positioned.fill(
+              child: child,
+            )
+          else
+            child,
           Offstage(
             offstage: !showClose,
             child: const _CloseButton(),

catalyst_voices/apps/voices/lib/widgets/modals/voices_info_dialog.dart

@@ -15,13 +15,15 @@ class VoicesDesktopInfoDialog extends StatelessWidget {
   final Widget title;
   final Widget message;
   final Widget action;
+  final bool fillPosition;
 
   const VoicesDesktopInfoDialog({
     super.key,
     required this.icon,
     required this.title,
     required this.message,
     required this.action,
+    this.fillPosition = false,
   });
 
   @override
@@ -45,6 +47,7 @@ class VoicesDesktopInfoDialog extends StatelessWidget {
     );
 
     return VoicesSinglePaneDialog(
+      fillPosition: fillPosition,
       child: Padding(
         padding: const EdgeInsets.symmetric(horizontal: 83),
         child: Column(