Theme and Icon changes triggering before dock is initialized in GS 3.4. This bug was 
introduced by auto theme detection feature.
Missed this bug earlier. Dock for Gs 3.8+ should be positioned the same on both primary 
and secondary monitors unless height is extended.
Dock in fixed position doesn't fade in and out because NONREACTIVE stage input mode 
removed since GS 3.8?. But, there's no need to fade in and out for GS 3.8+ because context 
menus appear above dock now.
Updated develop branch installation zip for testing.