chore: Adjust colors

lib/config/themes.dart

@@ -84,6 +84,12 @@ abstract class FluffyThemes {
           borderRadius: BorderRadius.circular(AppConfig.borderRadius),
         ),
       ),
+      segmentedButtonTheme: SegmentedButtonThemeData(
+        style: SegmentedButton.styleFrom(
+          iconColor: colorScheme.onSurface,
+          disabledIconColor: colorScheme.onSurface,
+        ),
+      ),
       textSelectionTheme: TextSelectionThemeData(
         selectionColor: colorScheme.onSurface.withAlpha(128),
         selectionHandleColor: colorScheme.secondary,

lib/pages/chat_details/chat_details_view.dart

@@ -148,6 +148,7 @@ class ChatDetailsView extends StatelessWidget {
                                     style: TextButton.styleFrom(
                                       foregroundColor:
                                           theme.colorScheme.onSurface,
+                                      iconColor: theme.colorScheme.onSurface,
                                     ),
                                     label: Text(
                                       room.isDirectChat
@@ -171,6 +172,7 @@ class ChatDetailsView extends StatelessWidget {
                                     style: TextButton.styleFrom(
                                       foregroundColor:
                                           theme.colorScheme.secondary,
+                                      iconColor: theme.colorScheme.secondary,
                                     ),
                                     label: Text(
                                       L10n.of(context).countParticipants(

lib/pages/settings/settings_view.dart

@@ -86,6 +86,7 @@ class SettingsView extends StatelessWidget {
                                 ),
                                 style: TextButton.styleFrom(
                                   foregroundColor: theme.colorScheme.onSurface,
+                                  iconColor: theme.colorScheme.onSurface,
                                 ),
                                 label: Text(
                                   displayname,
@@ -105,6 +106,7 @@ class SettingsView extends StatelessWidget {
                                 ),
                                 style: TextButton.styleFrom(
                                   foregroundColor: theme.colorScheme.secondary,
+                                  iconColor: theme.colorScheme.secondary,
                                 ),
                                 label: Text(
                                   mxid,

lib/pages/user_bottom_sheet/user_bottom_sheet_view.dart

@@ -83,6 +83,7 @@ class UserBottomSheetView extends StatelessWidget {
                             style: TextButton.styleFrom(
                               backgroundColor: theme.colorScheme.surface,
                               foregroundColor: theme.colorScheme.primary,
+                              iconColor: theme.colorScheme.primary,
                             ),
                             onPressed: controller.knockAccept,
                             icon: const Icon(Icons.check_outlined),
@@ -94,6 +95,7 @@ class UserBottomSheetView extends StatelessWidget {
                               backgroundColor: theme.colorScheme.errorContainer,
                               foregroundColor:
                                   theme.colorScheme.onErrorContainer,
+                              iconColor: theme.colorScheme.onErrorContainer,
                             ),
                             onPressed: controller.knockDecline,
                             icon: const Icon(Icons.cancel_outlined),
@@ -132,6 +134,7 @@ class UserBottomSheetView extends StatelessWidget {
                           ),
                           style: TextButton.styleFrom(
                             foregroundColor: theme.colorScheme.onSurface,
+                            iconColor: theme.colorScheme.onSurface,
                           ),
                           label: Text(
                             userId,

lib/widgets/public_room_bottom_sheet.dart

@@ -156,6 +156,7 @@ class PublicRoomBottomSheet extends StatelessWidget {
                             ),
                             style: TextButton.styleFrom(
                               foregroundColor: theme.colorScheme.onSurface,
+                              iconColor: theme.colorScheme.onSurface,
                             ),
                             label: Text(
                               roomLink ?? '...',
@@ -171,6 +172,7 @@ class PublicRoomBottomSheet extends StatelessWidget {
                             ),
                             style: TextButton.styleFrom(
                               foregroundColor: theme.colorScheme.onSurface,
+                              iconColor: theme.colorScheme.onSurface,
                             ),
                             label: Text(
                               L10n.of(context).countParticipants(