[Bug] There is no indication as to which tool has been selected

[therealbluepandabear]

Describe the bug

Whenever you select a different tool from the 'Tools' tab and press on it, there is no indication that you have selected that specific tool.

To Reproduce

Steps to reproduce the behavior:

1. Open PyxlMoose
2. Create a new project
3. Specify any span count you wish
4. Press on one of the tools and you will observe that there isn't any indication that you have selected that specific tool

Expected behavior

There should be an indication that the user has selected a specific tool.