E2C: Create Snapshot frontend (#89901)

* First pass at using new async apis

* async api tweaks

* clean up async api usage

* Update public/app/features/migrate-to-cloud/onprem/Page.tsx

Co-authored-by: Alex Khomenko <Clarity-89@users.noreply.github.com>

* Update public/app/features/migrate-to-cloud/onprem/Page.tsx

Co-authored-by: Alex Khomenko <Clarity-89@users.noreply.github.com>

* fix syntax

---------

Co-authored-by: Alex Khomenko <Clarity-89@users.noreply.github.com>

scripts/generate-rtk-apis.ts

@@ -12,14 +12,21 @@ const config: ConfigFile = {
       apiFile: '../public/app/features/migrate-to-cloud/api/baseAPI.ts',
       apiImport: 'baseAPI',
       filterEndpoints: [
-        'createCloudMigrationToken',
         'getSessionList',
         'getSession',
-        'createSession',
         'deleteSession',
-        'runCloudMigration',
-        'getCloudMigrationRun',
-        'getCloudMigrationRunList',
+        'createSession',
+
+        'getShapshotList',
+        'getSnapshot',
+        'uploadSnapshot',
+        'createSnapshot',
+        'cancelSnapshot',
+
+        'createCloudMigrationToken',
+        'deleteCloudMigrationToken',
+        'getCloudMigrationToken',
+
         'getDashboardByUid',
       ],
     },