chore: decrease token text size in word zoom card, don't deselect token on second click (#3410)

lib/pangea/toolbar/widgets/message_selection_overlay.dart

@@ -265,7 +265,8 @@ class MessageOverlayController extends State<MessageSelectionOverlay>
   }
 
   /// Update [selectedSpan]
-  void updateSelectedSpan(PangeaTokenText? selectedSpan, [bool force = false]) {
+  void updateSelectedSpan(PangeaTokenText? selectedSpan) {
+    if (selectedSpan == _selectedSpan) return;
     if (selectedMorph != null) {
       selectedMorph = null;
     }
@@ -276,12 +277,7 @@ class MessageOverlayController extends State<MessageSelectionOverlay>
       );
     }
 
-    if (selectedSpan == _selectedSpan && !force) {
-      _selectedSpan = null;
-    } else {
     _selectedSpan = selectedSpan;
-    }
-
     if (mounted) setState(() {});
     if (selectedToken != null && isNewToken(selectedToken!)) {
       _onSelectNewToken(selectedToken!);

lib/pangea/toolbar/widgets/word_zoom/word_zoom_widget.dart

@@ -88,7 +88,7 @@ class WordZoomWidget extends StatelessWidget {
                         token.text.content,
                         textAlign: TextAlign.center,
                         style: TextStyle(
-                          fontSize: 32.0,
+                          fontSize: 28.0,
                           fontWeight: FontWeight.w600,
                           height: 1.2,
                           color: