fix: add repo button in manage repo page

[sital002]

Fixes Issue

While trying to solve the issue #10364 I noticed the Add Repo button wasnot working as expected the button would remain disabled once I one repo since the isDisabled value is never turned to false after adding the repo.

Changes proposed

Check List (Check all the applicable boxes)

• My code follows the code style of this project.
• My change requires changes to the documentation.
• I have updated the documentation accordingly.
• All new and existing tests passed.
• This PR does not contain plagiarized content.
• The title of my pull request is a short description of the requested changes.

Screenshots

Note to reviewers

[eddiejaoude]

thank you 👍