[backport cloud/1.37] Update beta message in linear mode (#8109)

Backport of #8106 to `cloud/1.37`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8109-backport-cloud-1-37-Update-beta-message-in-linear-mode-2ea6d73d36508107992ed0c0b1357f14)
by [Unito](https://www.unito.io)

Co-authored-by: Yoland Yan <4950057+yoland68@users.noreply.github.com>

src/locales/en/main.json

@@ -2475,7 +2475,7 @@
   },
   "linearMode": {
     "linearMode": "Simple Mode",
-    "beta": "Beta - Give Feedback",
+    "beta": "Simple Mode in Beta - Feedback",
     "graphMode": "Graph Mode",
     "dragAndDropImage": "Click to browse or drag an image",
     "runCount": "Run count:",
@@ -2536,4 +2536,4 @@
       "failed": "Failed"
     }
   }
-}
+}