fix:Invalid picker when unformatted fromSources supplied

Author: sethk4783

.github/workflows/deploy_beta.yml

@@ -1,7 +1,7 @@
 name: filestack-js-beta
 on:
   push:
-    branches: [ sc-add-alt-text ]
+    branches: [ develop, hotfix/* ]
 jobs:
   build:
     runs-on: ubuntu-latest

src/schema/picker.schema.ts

@@ -57,38 +57,35 @@ export const PickerParamsSchema = {
     },
     fromSources: {
       type: 'array',
-      items: {
-        anyOf: [
-          {
-            type: 'string',
-            enum: [
-              'local_file_system',
-              'url',
-              'imagesearch',
-              'facebook',
-              'instagram',
-              'googledrive',
-              'unsplash',
-              'dropbox',
-              'webcam',
-              'video',
-              'audio',
-              'box',
-              'github',
-              'gmail',
-              'googlephotos',
-              'onedrive',
-              'onedriveforbusiness',
-              'clouddrive',
-              'customsource',
-              'tint',
-            ],
-          },
-          {
-            type: 'object',
-          },
-        ],
-      },
+      items: [
+        {
+          type: ['string', 'object'],
+          additionalProperties: false,
+          enum: [
+            'local_file_system',
+            'url',
+            'imagesearch',
+            'facebook',
+            'instagram',
+            'googledrive',
+            'unsplash',
+            'dropbox',
+            'webcam',
+            'video',
+            'audio',
+            'box',
+            'github',
+            'gmail',
+            'googlephotos',
+            'onedrive',
+            'onedriveforbusiness',
+            'clouddrive',
+            'googlephotos',
+            'customsource',
+            'tint',
+          ],
+        },
+      ],
     },
     container: {
       format: 'HTMLContainer',