Fixed hover highlight style rect of items being cut off.
Fixed hover highlight style rect of items being cut off.

This was caused by an incorrect calculation of the height of each item when determining the minimum size, plus a few things which were leftover after the PopupMenu rework.

BastiaanOlij/godot,pkowal1982/godot,Shockblast/godot,godotengine/godot,DmitriySalnikov/godot,vkbsb/godot,DmitriySalnikov/godot,vkbsb/godot,firefly2442/godot,sanikoyes/godot,Faless/godot,firefly2442/godot,josempans/godot,pkowal1982/godot,honix/godot,Zylann/godot,Shockblast/godot,sanikoyes/godot,vkbsb/godot,Shockblast/godot,honix/godot,MarianoGnu/godot,BastiaanOlij/godot,vnen/godot,guilhermefelipecgs/godot,MarianoGnu/godot,pkowal1982/godot,Faless/godot,ZuBsPaCe/godot,pkowal1982/godot,ZuBsPaCe/godot,akien-mga/godot,honix/godot,guilhermefelipecgs/godot,pkowal1982/godot,godotengine/godot,Valentactive/godot,DmitriySalnikov/godot,Valentactive/godot,Zylann/godot,BastiaanOlij/godot,Faless/godot,sanikoyes/godot,firefly2442/godot,Faless/godot,vkbsb/godot,sanikoyes/godot,Zylann/godot,honix/godot,akien-mga/godot,ZuBsPaCe/godot,josempans/godot,firefly2442/godot,josempans/godot,guilhermefelipecgs/godot,vnen/godot,BastiaanOlij/godot,DmitriySalnikov/godot,Valentactive/godot,josempans/godot,Valentactive/godot,guilhermefelipecgs/godot,godotengine/godot,DmitriySalnikov/godot,firefly2442/godot,pkowal1982/godot,firefly2442/godot,Zylann/godot,honix/godot,ZuBsPaCe/godot,honix/godot,BastiaanOlij/godot,godotengine/godot,akien-mga/godot,guilhermefelipecgs/godot,firefly2442/godot,MarianoGnu/godot,akien-mga/godot,Faless/godot,Shockblast/godot,Zylann/godot,MarianoGnu/godot,MarianoGnu/godot,guilhermefelipecgs/godot,pkowal1982/godot,MarianoGnu/godot,Valentactive/godot,Faless/godot,pkowal1982/godot,ZuBsPaCe/godot,guilhermefelipecgs/godot,josempans/godot,josempans/godot,guilhermefelipecgs/godot,Shockblast/godot,sanikoyes/godot,sanikoyes/godot,Valentactive/godot,akien-mga/godot,firefly2442/godot,vnen/godot,Zylann/godot,Faless/godot,DmitriySalnikov/godot,Faless/godot,godotengine/godot,godotengine/godot,sanikoyes/godot,godotengine/godot,akien-mga/godot,vnen/godot,Valentactive/godot,BastiaanOlij/godot,ZuBsPaCe/godot,godotengine/godot,akien-mga/godot,ZuBsPaCe/godot,Zylann/godot,vnen/godot,ZuBsPaCe/godot,akien-mga/godot,vnen/godot,vkbsb/godot,sanikoyes/godot,vkbsb/godot,BastiaanOlij/godot,Shockblast/godot,Shockblast/godot,josempans/godot,vkbsb/godot,vnen/godot,vkbsb/godot,BastiaanOlij/godot,MarianoGnu/godot,DmitriySalnikov/godot,MarianoGnu/godot,Shockblast/godot,vnen/godot,josempans/godot,Valentactive/godot,Zylann/godot