Make MediaViewsOptions initializer public (#899)

Author: testableapple

CHANGELOG.md

@@ -15,6 +15,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   - `ChannelInfoDivider`
   - `ChatInfoDirectChannelView`
   - `ChatInfoParticipantsView`
+- Make `MediaViewsOptions` initializer public [#899](https://github.com/GetStream/stream-chat-swiftui/pull/899)
 
 # [4.82.0](https://github.com/GetStream/stream-chat-swiftui/releases/tag/4.82.0)
 _July 16, 2025_

Sources/StreamChatSwiftUI/ChatChannel/MessageList/ImageAttachmentView.swift

@@ -484,4 +484,8 @@ enum MediaAttachmentType {
 public struct MediaViewsOptions {
     /// The index of the selected media item.
     public let selectedIndex: Int
+
+    public init(selectedIndex: Int) {
+        self.selectedIndex = selectedIndex
+    }
 }