Load catalog button does not work after click the wrong catalog file twice

[acdo2002]

Describe the bug
If I double click the wrong catalog file (for example I double click image in the load catalog widget), then the load catalog button does not clickable (gray color).
This behavior only happened after double clicking the wrong catalog file (one time clicking is fine), found this behavior accidentally.

To Reproduce
Steps to reproduce the behavior:

1. Open any image (e.g. Gaussian_J2000.fits)
2. Click on 'File > Import catalog'
3. Double click the wrong catalog file (e.g. Gaussian_J2000.fits), then you will find that the 'Load catalog' button disable.
4. then try to click the normal catalog file (e.g. artificial_catalog_J2000.xml), the catalog information displayed properly, however the 'Load catalog' button is still disable. (if you double click the normal catalog file, it still can import the catalog, just the 'Load catalog' button does not work)

Expected behavior
No matter one-time click or double click, if click the normal catalog file, the 'Load catalog' button should available.

Screenshots or videos

Screen.Recording.2024-05-14.at.5.11.15.PM.mov

Platform info (please complete the following information):

• OS [e.g. macOS Monterey]: macOS 11.6 Big Sur
• Browser [e.g. chrome, safari, electron app]: Chrome
• Browser version [e.g. 22]: Version 124.0.6367.119 (Official Build) (arm64)
• Backend branch [e.g. dev, v3b2 release]: dev
• Frontend branch [e.g. dev, v3b2 release]: dev