Miscellaneous improvements

[caseif]

This PR includes some miscellaneous improvements to nearly-finished TUs, with a couple of them newly matching.

[decomp-dev]

Report for GZ2E01 (19c8b69 - a2f1b6b)

📈 Matched code: 79.79% (+0.17%, +19628 bytes)
📈 Linked code: 48.53% (+0.37%, +42188 bytes)

✅ 13 new matches

Unit	Function	Bytes	Before	After
d_a_npc_cdn3/d/actor/d_a_npc_cdn3	daNpcCdn3_c::checkTimeSchedule()	+46	95.81%	100.00%
d_a_e_mk/d/actor/d_a_e_mk	demo_camera_end(e_mk_class*)	+42	99.12%	100.00%
d_a_fr/d/actor/d_a_fr	fr_normal(fr_class*)	+29	95.95%	100.00%
d_a_npc_cdn3/d/actor/d_a_npc_cdn3	daNpcCdn3_c::create_init()	+15	98.59%	100.00%
d_a_fr/d/actor/d_a_fr	fr_s_away(fr_class*)	+13	97.46%	100.00%
d_a_fr/d/actor/d_a_fr	way_bg_check(fr_class*)	+9	96.43%	100.00%
d_a_fr/d/actor/d_a_fr	daFr_Create(fopAc_ac_c*)	+8	98.77%	100.00%
d_a_fr/d/actor/d_a_fr	useHeapIfrt(fopAc_ac_c*)	+5	98.85%	100.00%
d_a_e_mk/d/actor/d_a_e_mk	demo_camera_start(e_mk_class*)	+4	99.89%	100.00%
d_a_fr/d/actor/d_a_fr	action(fr_class*)	+3	99.66%	100.00%
d_a_npc_cdn3/d/actor/d_a_npc_cdn3	daNpcCdn3_c::execute()	+3	99.73%	100.00%
d_a_e_mk/d/actor/d_a_e_mk	daE_MK_Create(fopAc_ac_c*)	+1	99.93%	100.00%
d_a_npc_zra/d/actor/d_a_npc_zra	daNpc_zrA_c::swimRiverDescend(void*)	+1	99.98%	100.00%

📈 2 improvements in unmatched functions

Unit	Function	Bytes	Before	After
d_a_e_po/d/actor/d_a_e_po	e_po_dead(e_po_class*)	+10	99.64%	99.81%
d_a_npc_cdn3/d/actor/d_a_npc_cdn3	daNpcCdn3_c::lookat()	+2	93.68%	93.85%

📉 1 regression in unmatched functions

Unit	Function	Bytes	Before	After
d_a_midna/d/actor/d_a_midna	daMidna_c::setAnm()	-4	99.93%	99.86%