Add ColorPalette.navigationBarGlyph and fix add member toolbar item on iOS 26

[laevandus]

🔗 Issue Links

Resolves: IOS-1172

🎯 Goal

• Allow configuring add member button colors and fix rendering on iOS 26

📝 Summary

• Add ColorPalette.navigationBarGlyph for configuring the glyph color of the add members button
• Use ColorPalette.navigationBarTint for background of the add members button
• Disable glass effect for add members button

🛠 Implementation

🎨 Showcase

iOS 26

Before	After

iOS 18

Before	After

🧪 Manual Testing Notes

☑️ Contributor Checklist

• I have signed the Stream CLA (required)
• This change should be manually QAed
• Changelog is updated with client-facing changes
• Changelog is updated with new localization keys
• New code is covered by unit tests
• Documentation has been updated in the docs-content repo

[nuno-vieira]

LGTM! ✅

[github-actions]

Public Interface

 public struct ColorPalette  
-   public var navigationBarTitle: UIColor
+   public var navigationBarGlyph: UIColor
-   public var navigationBarSubtitle: UIColor
+   public var navigationBarTitle: UIColor
-   public var navigationBarTintColor: Color
+   public var navigationBarSubtitle: UIColor
-   public var navigationBarBackground: UIColor?
+   public var navigationBarTintColor: Color
-   public var bannerBackgroundColor: UIColor
+   public var navigationBarBackground: UIColor?
-   
+   public var bannerBackgroundColor: UIColor
- 
+   
-   public init()
+ 
+   public init()

[Stream-SDK-Bot]

SDK Size

title	develop	branch	diff	status
StreamChatSwiftUI	9.5 MB	9.5 MB	+3 KB	🟢

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
83.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud