Improve check on whether the live module has changed

Author: CompuIves

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

@@ -552,6 +552,10 @@ class Live {
     return this.clients.has(moduleShortid);
   }
 
+  getClient(moduleShortid: string) {
+    return this.clients.get(moduleShortid);
+  }
+
   getAllClients() {
     return this.clients.getAll();
   }

packages/app/src/app/overmind/namespaces/editor/actions.ts

@@ -374,7 +374,10 @@ export const codeChanged: Action<{
 
   const savedCode = getSavedCode(module.code, module.savedCode);
   const isSavedCode = savedCode === code;
-  const isFirstChange = !effects.live.hasClient(module.shortid);
+  const isFirstChange =
+    !effects.live.hasClient(module.shortid) ||
+    (effects.live.getClient(moduleShortid).revision === 0 &&
+      effects.live.getClient(moduleShortid).state.name === 'Synchronized');
 
   // Don't send saved code of a moduke that has not been registered with yet, since the server
   // will take the saved code as base. Which means that the change that would generate the saved code