[interp] Add a few fixes for conversion opcodes#55418

Merged

BrzVlad merged 2 commits intodotnet:mainfrom BrzVlad:fix-interp-conv

Jul 9, 2021

+14-31

Commits on Jul 9, 2021

[interp] Add missing conversion from r4 to uint
BrzVlad
committed
[interp] Remove duplicated and inconsistent code for conv.ovf.i.un and conv.ovf.u.un
BrzVlad
committed