change mAng to template operators

[elijah-thomas774]

Ignore the d_a_obj_boomerang Regressions - That will be addressed in the other PR

[decomp-dev]

Report for SOUE01 (e9396dd - 167ee58)

📈 Matched code: 22.01% (+0.02%, +3016 bytes)
📈 Linked code: 13.65% (+0.15%, +18924 bytes)

✅ 3 new matches

Unit	Function	Bytes	Before	After
main/d/lyt/msg_window/d_lyt_msg_window_select_btn	SelectBtnHelper::handleCursorInput()	+12	99.10%	100.00%
d_a_obj_decoBNP/REL/d/a/obj/d_a_obj_decoB	dAcODecoB_c::executeState_Wait()	+11	96.87%	100.00%
main/d/lyt/msg_window/d_lyt_msg_window_select_btn	SelectBtnHelper::handleButtonInput()	+10	99.33%	100.00%

📉 1 regression in unmatched functions

Unit	Function	Bytes	Before	After
main/d/a/obj/d_a_obj_boomerang	dAcBoomerang_c::initializeState_Move()	-7	92.17%	90.91%

[elijah-thomas774]

The reason for doing this was the oddness in the referencing of floats and ints when assigning.
This also made the add functions in mAng3_c being able to be removed.

I am ok with this PR being rejected if we dont want to do this