Fix race condition where we keep a dangling awaitSend

Author: CompuIves

packages/app/src/app/overmind/effects/live/index.ts

@@ -95,6 +95,11 @@ class Live {
   private isLiveBlockerExperiement: () => boolean;
   private connectionsCount = 0;
   private setAwaitSend() {
+    if (this.awaitSend) {
+      // There was already one set and never resolved. We need to resolve it to prevent
+      // messages from getting stuck
+      this.awaitSend.resolve();
+    }
     this.awaitSend = blocker();
     clearTimeout(this.awaitSendTimer);
     this.awaitSendTimer = window.setTimeout(async () => {

packages/app/src/app/overmind/namespaces/live/internalActions.ts

@@ -227,10 +227,11 @@ export const sendUnsavedChanges: Action<{
   );
   changedModules.forEach(m => {
     if (!moduleState[m.shortid]) {
+      const savedCode = getSavedCode(m.code, m.savedCode);
       // Update server with latest data
       effects.live.sendCodeUpdate(
         m.shortid,
-        getTextOperation(m.savedCode || '', m.code || '')
+        getTextOperation(savedCode, m.code || '')
       );
     }
   });