[UI]: Some UI controls are not disabled during searching in the file search dialog

[mikekazakov]

Confirmation

• [X] I have read the contributing guidelines.

Version of Nimble Commander

v1.7, macOS15

Current Appearance

As seen on the screenshot the "file mask", the "search for" and the "containing text" controls are not disabled while the search is performed:

Expected Appearance

They should be automatically disabled and reenabled like other controls in this dialog.

Additional Information

No response