[ADF-3226] remove Double behaviour setting allow download and comment (#3502)

* fix restore notification

* improve path specification property

* fix lint and document issues

* fix test

* remove unused import

* remove double behavior allowComments and allowDonload can be set only thorough input property

demo-shell/src/app.config.json

@@ -514,11 +514,6 @@
             }
         }
     },
-    "adf-version-manager": {
-      "allowComments": true,
-      "allowDownload": true
-    },
-
     "sideNav": {
       "expandedSidenav": true,
       "preserveState": true