chore: update link text color in dark mode (#1716)

Author: ggurdin

lib/pages/chat/events/message.dart

@@ -171,7 +171,9 @@ class Message extends StatelessWidget {
     //         ? theme.colorScheme.primaryFixed
     //         : theme.colorScheme.onTertiaryContainer
     //     : theme.colorScheme.primary;
-    final linkColor = theme.colorScheme.primary;
+    final linkColor = theme.brightness == Brightness.light
+        ? theme.colorScheme.primary
+        : theme.colorScheme.onPrimary;
     // Pangea#
 
     final rowMainAxisAlignment =

lib/pangea/activity_planner/activity_plan_message.dart

@@ -120,7 +120,10 @@ class ActivityPlanMessage extends StatelessWidget {
                                     controller: controller,
                                     immersionMode: false,
                                     timeline: timeline,
-                                    linkColor: theme.colorScheme.primary,
+                                    linkColor:
+                                        theme.brightness == Brightness.light
+                                            ? theme.colorScheme.primary
+                                            : theme.colorScheme.onPrimary,
                                   ),
                                   if (event.hasAggregatedEvents(
                                     timeline,

lib/pangea/toolbar/widgets/message_audio_card.dart

@@ -205,7 +205,10 @@ class MessageAudioCardState extends State<MessageAudioCard> {
                       chatController:
                           widget.overlayController.widget.chatController,
                       overlayController: widget.overlayController,
-                      linkColor: Theme.of(context).colorScheme.primary,
+                      linkColor:
+                          Theme.of(context).brightness == Brightness.light
+                              ? Theme.of(context).colorScheme.primary
+                              : Theme.of(context).colorScheme.onPrimary,
                     )
                   : const CardErrorWidget(
                       error: "Null audio file in message_audio_card",

lib/pangea/toolbar/widgets/message_token_text.dart

@@ -238,7 +238,9 @@ class MessageTextWidget extends StatelessWidget {
                       ),
                       linkStyle: TextStyle(
                         decoration: TextDecoration.underline,
-                        color: Theme.of(context).colorScheme.primary,
+                        color: Theme.of(context).brightness == Brightness.light
+                            ? Theme.of(context).colorScheme.primary
+                            : Theme.of(context).colorScheme.onPrimary,
                       ),
                       onOpen: (url) =>
                           UrlLauncher(context, url.url).launchUrl(),

lib/pangea/toolbar/widgets/overlay_message.dart

@@ -190,7 +190,9 @@ class OverlayMessage extends StatelessWidget {
                 prevEvent: prevEvent,
                 borderRadius: borderRadius,
                 timeline: timeline,
-                linkColor: theme.colorScheme.primary,
+                linkColor: theme.brightness == Brightness.light
+                    ? theme.colorScheme.primary
+                    : theme.colorScheme.onPrimary,
               ),
               if (event.hasAggregatedEvents(
                 timeline,