Remove restart requirement for interface/touchscreen/enable_touch_optimizations setting

[ryevdokimov]

Tested with: #117203

2026-03-08.15-57-14.mp4

[kitbdev]

• Related: Add option for a touch-friendly drag handle in SplitContainer #105994 (comment)

Apparently it wasn't done since it needs theme rebuild, not sure if there was progress on changing that like mentioned.
I would say it is better to have the slow theme rebuild than needing a restart. It's the same for all theme settings.

Looks like this also needs to be in ProjectExportDialog and ProjectSettingsEditor.

[ryevdokimov]

Looks like this also needs to be in ProjectExportDialog and ProjectSettingsEditor.

These are modal windows, so they can't be opened at the same time as editor settings. They will have the correct setting when they are opened.

[kitbdev]

They are modal, but they are only created once so they never re-check the value.

[ryevdokimov]

They are modal, but they are only created once so they never re-check the value.

You're right, I didn't open -> close -> change -> open. I see it now.

Edit: Actually, I'm just crazy and thought I had seen it work by coincidence from testing.

[ryevdokimov]

Looks like this also needs to be in ProjectExportDialog and ProjectSettingsEditor.

Done.

2026-03-08.17-23-31.mp4

[kitbdev]

Tested, works as expected.
Looks good.

[Repiteo]

Thanks!