Tweak the logic for brush size UI #1418

Job	Run time
Configure Build Parameters	32s
Windows OpenXR	1h 1m 39s
Windows Pimax	1h 3m 58s
Windows Rift	1h 1m 2s
Linux	2h 39m 36s
MacOS	1h 9m 23s
Android OpenXR	3h 32m 30s
Oculus Quest (1)	3h 28m 9s
Oculus Quest (2+)	3h 25m 30s
Android Pico	2h 20m 48s
Android Pico (CN)	2h 20m 15s
iOS Zapbox	1h 19m 0s
Publish Itch.io Release	0s
Publish changelog from last major build to open-brush-docs	0s
Publish Zapbox iOS	0s
Publish Oculus Quest 2+ Release	0s
Publish Oculus Quest 1 Release	0s
Publish Oculus Rift Release	0s
Publish Pico Releases	0s
Publish Pimax Release	0s
Publish Viveport Release	0s
Sign the MacOS .app	0s
Publish Steam Release	0s
Create and Notarize DMG	0s
Create Github Release	0s
	23h 22m 22s

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