Fix memory allocation when swapping to a remaster.
Don't change the selected line when scrolling.

With the mouse wheel or otherwise, it's confusing.
Add a context menu to enable/disable breakpoints.

Probably it could edit or etc. too...
Add a context menu to play with threads.
Merge pull request #2700 from unknownbrackets/hd-fix

Fix memory allocation when swapping to a remaster
Merge pull request #2703 from unknownbrackets/debugger

Scroll debugger like most things scroll, add context menus
Only use ambient light if mat update flag set.