Use Ctrl-C/Ctrl-Insert to copy in disasm.

This means trading Ctrl-C (was find again) for F3.  Also made Ctrl-F find
as well as Ctrl-S.
Remove coreParam.disableG3Dlog and enableDebugging.

One was uninitialized, the other one unused.
Merge pull request #4486 from unknownbrackets/debugger

Use a shortcut for copying instructions, enable G3D log always