disable selection if message not highlighted

lib/pages/chat/events/message_content.dart

@@ -343,6 +343,8 @@ class MessageContent extends StatelessWidget {
                                 mode: MessageMode.play,
                               ),
                             ),
+                  enableInteractiveSelection:
+                      toolbarController?.highlighted ?? false,
                   // text: snapshot.data ??
                   //     event.calcLocalizedBodyFallback(
                   //       MatrixLocals(L10n.of(context)!),

lib/pangea/widgets/igc/pangea_rich_text.dart

@@ -124,6 +124,7 @@ class PangeaRichTextState extends State<PangeaRichText> {
             .onTextSelection(selection);
       },
       onTap: () => widget.toolbarController.showToolbar(context),
+      enableInteractiveSelection: widget.toolbarController.highlighted,
       contextMenuBuilder: (context, state) =>
           widget.toolbarController.highlighted
               ? const SizedBox.shrink()