Apply defaultValue props in MultiEntityPicker

Signed-off-by: cindy.chen <cindy.chen@jkos.com>

.changeset/curly-foxes-brake.md

@@ -0,0 +1,14 @@
+---
+'@backstage/plugin-scaffolder': patch
+---
+
+Apply `defaultValue` props in `MultiEntityPicker`
+
+```diff
+  <Autocomplete
+    multiple
+    filterSelectedOptions
+    disabled={entities?.entities?.length === 1}
+    id={idSchema?.$id}
++   defaultValue={formData}
+```

plugins/scaffolder/src/components/fields/MultiEntityPicker/MultiEntityPicker.tsx

@@ -152,6 +152,7 @@ export const MultiEntityPicker = (props: MultiEntityPickerProps) => {
         filterSelectedOptions
         disabled={entities?.entities?.length === 1}
         id={idSchema?.$id}
+        defaultValue={formData}
         loading={loading}
         onChange={onSelect}
         options={entities?.entities || []}