fix: save correct form for emoji uses, match example message tokens by lemma as fallback (#5787)

lib/pangea/analytics_details_popup/lemma_use_example_messages.dart

@@ -22,7 +22,7 @@ class LemmaUseExampleMessages extends StatelessWidget {
   Future<List<ExampleMessage>> _getExampleMessages() async {
     final List<ExampleMessage> examples = [];
     for (final OneConstructUse use in construct.cappedUses) {
-      if (use.metadata.eventId == null || use.form == null || use.xp <= 0) {
+      if (use.metadata.eventId == null || use.form == null) {
         continue;
       }
 
@@ -67,7 +67,8 @@ class LemmaUseExampleMessages extends StatelessWidget {
       final tokens = pangeaMessageEvent.messageDisplayRepresentation?.tokens;
       if (tokens == null || tokens.isEmpty) continue;
       final token = tokens.firstWhereOrNull(
-        (token) => token.text.content == use.form,
+        (token) =>
+            token.text.content == use.form || token.lemma.text == use.lemma,
       );
       if (token == null) continue;
 

lib/pangea/analytics_misc/lemma_emoji_setter_mixin.dart

@@ -17,6 +17,7 @@ mixin LemmaEmojiSetter {
     String? targetId,
     String? roomId,
     String? eventId,
+    String? form,
   ) async {
     final userL2 =
         MatrixState.pangeaController.userController.userL2?.langCodeShort;
@@ -32,6 +33,7 @@ mixin LemmaEmojiSetter {
         targetId: targetId,
         roomId: roomId,
         eventId: eventId,
+        form: form,
       );
     }
 
@@ -99,6 +101,7 @@ mixin LemmaEmojiSetter {
     String? eventId,
     String? roomId,
     String? targetId,
+    String? form,
   }) {
     final constructs = [
       OneConstructUse(
@@ -111,7 +114,7 @@ mixin LemmaEmojiSetter {
           eventId: eventId,
         ),
         category: constructId.category,
-        form: constructId.lemma,
+        form: form ?? constructId.lemma,
         xp: ConstructUseTypeEnum.em.pointValue,
       ),
     ];

lib/pangea/toolbar/word_card/lemma_reaction_picker.dart

@@ -16,6 +16,7 @@ class LemmaReactionPicker extends StatefulWidget with LemmaEmojiSetter {
   final ConstructIdentifier constructId;
   final String langCode;
   final bool enabled;
+  final String? form;
 
   const LemmaReactionPicker({
     super.key,
@@ -23,6 +24,7 @@ class LemmaReactionPicker extends StatefulWidget with LemmaEmojiSetter {
     required this.langCode,
     this.event,
     this.enabled = true,
+    this.form,
   });
 
   @override
@@ -95,6 +97,7 @@ class LemmaReactionPickerState extends State<LemmaReactionPicker> {
       targetId,
       widget.event?.roomId,
       widget.event?.eventId,
+      widget.form,
     );
     messenger = ScaffoldMessenger.of(context);
     widget.showLemmaEmojiSnackbar(

lib/pangea/toolbar/word_card/word_zoom_widget.dart

@@ -164,6 +164,7 @@ class WordZoomWidget extends StatelessWidget {
                               langCode: langCode,
                               event: event,
                               enabled: enableEmojiSelection,
+                              form: token.content,
                             ),
                             LemmaMeaningDisplay(
                               langCode: langCode,