allow sending if in manual igc mode

lib/pangea/choreographer/controllers/choreographer.dart

@@ -590,19 +590,31 @@ class Choreographer {
   }
 
   bool get canSendMessage {
-    if (isFetching) return false;
+    // if there's an error, let them send. we don't want to block them from sending in this case
     if (errorService.isError) return true;
+
+    // if they're in IT mode, don't let them send
     if (itEnabled && isRunningIT) return false;
-    if (igc.igcTextData == null) return false;
 
+    // if they've turned off IGC then let them send the message when they want
+    if (!isAutoIGCEnabled) return true;
+
+    // if we're in the middle of fetching results, don't let them send
+    if (isFetching) return false;
+
+    // they're supposed to run IGC but haven't yet, don't let them send
+    if (isAutoIGCEnabled && igc.igcTextData == null) return false;
+
+    // if they have relevant matches, don't let them send
     final hasITMatches =
         igc.igcTextData!.matches.any((match) => match.isITStart);
     final hasIGCMatches =
         igc.igcTextData!.matches.any((match) => !match.isITStart);
-
     if ((itEnabled && hasITMatches) || (igcEnabled && hasIGCMatches)) {
       return false;
     }
+
+    // otherwise, let them send
     return true;
   }
 }

lib/pangea/widgets/chat/message_toolbar.dart

@@ -47,7 +47,7 @@ class MessageToolbar extends StatelessWidget {
     final bool messageInUserL2 = pangeaMessageEvent.messageDisplayLangCode ==
         MatrixState.pangeaController.languageController.userL2?.langCode;
 
-    // If not in the target language, set to nullMode
+    // If not in the target language show specific messsage
     if (!messageInUserL2) {
       return MessageDisplayCard(
         displayText: