push to talk icon color change.

lib/modules/copilot/screens/copilot_push_to_talk_page.dart

@@ -231,7 +231,7 @@ class _CopilotPushToTalkPageState extends State<CopilotPushToTalkPage> with Widg
                                         theme: context.isDark ? ThinkingOrbTheme.dark : ThinkingOrbTheme.light,
                                       ),
                                     )
-                                  : Icon(Icons.mic_rounded, color: Colors.white, size: isRecording ? 44 : 36),
+                                  : Icon(Icons.mic_rounded, color: AppColor.icon2Color(context), size: isRecording ? 44 : 36),
                             ),
                           ),
                           // "atoms_logo".toSvgAsset().paddingAll(16),