Skip unsealed typing messages with active challenges

ts/challenge.ts

@@ -334,6 +334,10 @@ export class ChallengeHandler {
     );
   }
 
+  public areAnyRegistered(): boolean {
+    return this.registeredConversations.size > 0;
+  }
+
   public isRegistered(conversationId: string): boolean {
     return this.registeredConversations.has(conversationId);
   }

ts/models/conversations.ts

@@ -1298,6 +1298,10 @@ export class ConversationModel extends window.Backbone
       return;
     }
 
+    if (isGroupV1(this.attributes)) {
+      return;
+    }
+
     // Coalesce multiple sendTypingMessage calls into one.
     //
     // `lastIsTyping` is set to the last `isTyping` value passed to the
@@ -1306,6 +1310,18 @@ export class ConversationModel extends window.Backbone
     // in effect be ignored.
     this.lastIsTyping = isTyping;
 
+    // If captchas are active, then we should drop typing messages because
+    // they're less important and could overwhelm the queue.
+    if (
+      window.Signal.challengeHandler?.areAnyRegistered() &&
+      this.isSealedSenderDisabled()
+    ) {
+      log.info(
+        `sendTypingMessage(${this.idForLogging()}): Challenge is registered and can't send sealed, ignoring`
+      );
+      return;
+    }
+
     await this.queueJob('sendTypingMessage', async () => {
       const groupMembers = this.getRecipients();
 
@@ -4601,6 +4617,19 @@ export class ConversationModel extends window.Backbone
     return message;
   }
 
+  isSealedSenderDisabled(): boolean {
+    const members = this.getMembers();
+    if (
+      members.some(
+        member => member.get('sealedSender') === SEALED_SENDER.DISABLED
+      )
+    ) {
+      return true;
+    }
+
+    return false;
+  }
+
   isSearchable(): boolean {
     return !this.get('left');
   }