[BUG] Gemini Model props failed

[vunguyenhung]

Describe the bug
I can not select Model prop:

1. Add step
2. Gemini -> Generate content from text
3. Select Gemini account
4. Select Model dropdown
   

Additional context
Raised by a user here:
https://pipedream-users.slack.com/archives/CMZG4EBJ9/p1744205589576479

[vunguyenhung]

Hi everyone, all test cases are passed! Ready for release!

Test report
https://vunguyenhung.notion.site/BUG-Gemini-Model-props-failed-1d1bf548bb5e81e2a760eb022d7fb68b