Currently, the module specification panel expands proportionally, and this ends up creating a lot of empty space on the upper side of the window. It would be better to fix the size of the upper part (i.e., up to the x-slot selection section) and have only the rest of the parts expand.
Currently:![current](https://github.com/PhonologicalCorpusTools/SLPAA/assets/43150234/c417e230-791f-43ba-8f95-f87ce082d235)
This is better:![togo](https://github.com/PhonologicalCorpusTools/SLPAA/assets/43150234/abcf522c-b54a-426e-a492-53d01f2d0974)
Currently, the module specification panel expands proportionally, and this ends up creating a lot of empty space on the upper side of the window. It would be better to fix the size of the upper part (i.e., up to the x-slot selection section) and have only the rest of the parts expand.