Merge pull request #8193 from ryanpetrello/ws-broadcast-limited

add a few additional optimizations to the callback receiver

Reviewed-by: Shane McDonald <me@shanemcd.com>
             https://github.com/shanemcd

awx/ui/client/features/output/stream.service.js

@@ -119,6 +119,10 @@ function OutputStream ($q) {
         this.counters.ready = ready;
         this.counters.used = used;
         this.counters.missing = missing;
+
+        if (!window.liveUpdates) {
+            this.counters.ready = event.counter;
+        }
     };
 
     this.bufferEmpty = threshold => {
@@ -141,6 +145,10 @@ function OutputStream ($q) {
         const { total } = this.counters;
         const readyCount = this.getReadyCount();
 
+        if (!window.liveUpdates) {
+            return true;
+        }
+
         if (readyCount <= 0) {
             return false;
         }

awx/ui/test/unit/components/stream.unit.js

@@ -51,7 +51,13 @@ describe('Output | StreamService', () => {
     });
 
     describe('isReadyToRender', () => {
-        it("it's never ready to render unless the result of getReadyCount is greater than 0", () => {
+        it("it's never ready to render when live updates are enabled unless the result of getReadyCount is greater than 0", () => {
+            delete window.liveUpdates;
+            Object.defineProperty(window, 'liveUpdates', {
+                value: true,
+                writable: false
+            });
+
             const params = [
                 [-1, false],
                 [0, false],