test - test nightly workflow - scheduled tests run only on chrome (#3731

)

* test - removed firefox job from test nightly workflow

* Revert "test - removed firefox job from test nightly workflow"

This reverts commit 6cb0bb4.

* brought back job since we can use it manually

.github/workflows/tests-nightly.yml

@@ -156,7 +156,7 @@ jobs:
               case 'workflow_dispatch':
                 return browser
               case 'schedule':
-                return 'all'
+                return 'chrome'
               default:
                 return 'chrome'
             }