Sorting range list breaks functionality

I tried to find other “Symbol” ranges by clicking on the column header of the range list (left). This sorts the ranges alphabetically, but clicking here will no longer show a character list:

<img width="1840" alt="image" src="https://github.com/LettError/glyphBrowser/assets/2049645/1e5e9052-2690-4c28-a140-8678f12e6fed">
