Minor improvements to main_window #2001

Job	Run time
ci / Build	3m 7s
windows / Test Windows	6m 35s
pyinstaller / Build on ubuntu-20.04	4m 48s
pyinstaller / Build on ubuntu-22.04	4m 52s
pyinstaller / Build on windows-2022	6m 37s
pyinstaller / Build on macos-12	8m 33s
pyinstaller / Build on macos-14	6m 2s
ci / Lint	1m 51s
ci / Test (0)	6h 0m 3s
ci / Test (1)	6h 0m 8s
ci / Test (2)	6h 0m 1s
ci / Test (3)	6h 0m 2s
ci / Test (4)	6h 0m 2s
ci / Test (5)	6h 0m 2s
ci / Test (6)	6h 0m 2s
ci / Test (7)	6h 0m 7s
ci / Test (8)	6h 0m 1s
ci / Test (9)	6h 0m 2s
pyinstaller / Test on macos-12	59s
pyinstaller / Test on windows-2022	59s
pyinstaller / Test on macos-14	37s
pyinstaller / Test on ubuntu-20.04	56s
pyinstaller / Test on ubuntu-22.04	52s
ci / Publish Unit Tests Results	1s
	2d 12h 47m 19s

Provide feedback