fix: transfer NodeTextBoxInput to use local state to fix cursor jump (#10410)

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### Changes 🏗️

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-->

This PR contains code changes that will resolve the cursor jump issue in
the **Note** block #9252 . The changes in code affects the
NodeTextBoxInput component to transfer the state into local state and
not mutate the `value` prop directly.

Also includes change to use store admin which is from rebase issue but
approved by maintainer @ntindle

### Checklist 📋

#### For code changes:
- [x] I have clearly listed my changes in the PR description
- [x] I have made a test plan
- [x] I have tested my changes according to the test plan:
  - [x] Tested the note block allows to edit text normally
 


https://github.com/user-attachments/assets/f2800bf1-9867-4627-ac9d-44718627b263

---------

Co-authored-by: Nicholas Tindle <nicholas.tindle@agpt.co>
Co-authored-by: Abhimanyu Yadav <122007096+Abhi1992002@users.noreply.github.com>
Co-authored-by: Zamil Majdy <zamil.majdy@agpt.co>
Co-authored-by: Ubbe <hi@ubbe.dev>

autogpt_platform/backend/backend/server/v2/admin/store_admin_routes.py

@@ -131,7 +131,7 @@ async def admin_download_agent_file(
     Raises:
         HTTPException: If the agent is not found or an unexpected error occurs.
     """
-    graph_data = await backend.server.v2.store.db.get_agent(
+    graph_data = await backend.server.v2.store.db.get_agent_as_admin(
         user_id=user.user_id,
         store_listing_version_id=store_listing_version_id,
     )

autogpt_platform/frontend/src/components/node-input-components.tsx

@@ -1144,6 +1144,13 @@ export const NodeTextBoxInput: FC<{
   displayName,
 }) => {
   value ||= schema.default || "";
+
+  const [localValue, setLocalValue] = useState(value || schema.default || "");
+
+  useEffect(() => {
+    setLocalValue(value || schema.default || "");
+  }, [value, schema.default]);
+
   return (
     <div className={className}>
       <div
@@ -1152,12 +1159,13 @@ export const NodeTextBoxInput: FC<{
       >
         <textarea
           id={selfKey}
-          value={schema.secret && value ? "********" : value}
+          value={schema.secret && localValue ? "********" : localValue}
+          onChange={(e) => setLocalValue(e.target.value)}
+          onBlur={() => handleInputChange(selfKey, localValue)}
           readOnly={schema.secret}
           placeholder={
             schema?.placeholder || `Enter ${beautifyString(displayName)}`
           }
-          onChange={(e) => handleInputChange(selfKey, e.target.value)}
           className="h-full w-full resize-none overflow-hidden border-none bg-transparent text-lg text-black outline-none dark:text-white"
           style={{
             fontSize: "min(1em, 16px)",