Minor JSystem/Z2Audio fixes

[caseif]

This PR includes some minor fixes for JSystem and Z2Audio.

[decomp-dev]

Report for ShieldD (a6c3c20 - fe82b53)

📈 Matched code: 18.99% (+0.01%, +1168 bytes)

✅ 5 new matches

Unit	Function	Bytes	Before	After
framework/JSystem/J2DGraph/J2DMatBlock	J2DTevBlock8::initialize()	+480	0.83%	100.00%
framework/JSystem/J2DGraph/J2DMatBlock	J2DTevBlock16::initialize()	+480	0.83%	100.00%
framework/JSystem/JAudio2/JASTrack	JASTrack::TList::seqMain()	+53	81.03%	100.00%
framework/JSystem/J2DGraph/J2DMaterialFactory	J2DTexCoord::J2DTexCoord(const J2DTexCoord&)	+12	0.00%	100.00%
framework/JSystem/J2DGraph/J2DMaterialFactory	J2DColorChan::J2DColorChan(const J2DColorChan&)	+12	0.00%	100.00%

💔 1 broken match

Unit	Function	Bytes	Before	After
framework/Z2AudioLib/Z2LinkMgr	Z2SoundHandles::stopSound(JAISoundID, unsigned long)	-17	100.00%	83.80%

📈 2 improvements in unmatched functions

Unit	Function	Bytes	Before	After
framework/JSystem/J2DGraph/J2DMaterialFactory	J2DMaterialFactory::create(J2DMaterial*, int, unsigned long, J2DResReference*, J2DResReference*, JKRArchive*) const	+90	95.46%	98.51%
framework/JSystem/J2DGraph/J2DMaterialFactory	J2DTexGenBlock::setTexCoord(unsigned long, const J2DTexCoord*)	+57	0.00%	27.17%

📉 2 regressions in unmatched functions

Unit	Function	Bytes	Before	After
framework/Z2AudioLib/Z2LinkMgr	Z2LinkSoundStarter::startSound(JAISoundID, JAISoundHandle*, const JGeometry::TVec3<float>*, unsigned long, float, float, float, float, float, unsigned long)	-21	57.40%	56.85%
framework/JSystem/JAudio2/JAUSectionHeap	JAUSection::newVoiceBank(unsigned long, unsigned long)	-4	99.98%	99.17%

---

Report for GZ2P01 (a6c3c20 - fe82b53)

📈 Matched code: 81.78% (+0.05%, +5380 bytes)

✅ 5 new matches

Unit	Function	Bytes	Before	After
framework/JSystem/JAudio2/JAUSectionHeap	JAUSection::newVoiceBank(unsigned long, unsigned long)	+13	95.68%	100.00%
framework/Z2AudioLib/Z2LinkMgr	Z2CreatureLink::startLinkSound(JAISoundID, unsigned long, signed char)	+6	99.22%	100.00%
framework/JSystem/JMessage/processor	JMessage::TProcessor::toMessageCode_messageID(unsigned long, unsigned long, bool*) const	+3	99.21%	100.00%
framework/JSystem/J2DGraph/J2DMaterialFactory	J2DMaterialFactory::create(J2DMaterial*, int, unsigned long, J2DResReference*, J2DResReference*, JKRArchive*) const	+2	99.94%	100.00%
framework/Z2AudioLib/Z2LinkMgr	Z2LinkSoundStarter::startSound(JAISoundID, JAISoundHandle*, const JGeometry::TVec3<float>*, unsigned long, float, float, float, float, float, unsigned long)	+1	99.97%	100.00%

📈 2 improvements in unmatched functions

Unit	Function	Bytes	Before	After
framework/JSystem/J2DGraph/J2DMatBlock	J2DTevBlock8::initialize()	+543	0.64%	87.15%
framework/JSystem/J2DGraph/J2DMatBlock	J2DTevBlock16::initialize()	+543	0.64%	87.15%

---

Report for GZ2J01 (a6c3c20 - fe82b53)

📈 Matched code: 81.46% (+0.05%, +5380 bytes)
📈 Linked code: 47.25% (+0.14%, +15532 bytes)

✅ 5 new matches

Unit	Function	Bytes	Before	After
framework/JSystem/JAudio2/JAUSectionHeap	JAUSection::newVoiceBank(unsigned long, unsigned long)	+13	95.68%	100.00%
framework/Z2AudioLib/Z2LinkMgr	Z2CreatureLink::startLinkSound(JAISoundID, unsigned long, signed char)	+6	99.22%	100.00%
framework/JSystem/JMessage/processor	JMessage::TProcessor::toMessageCode_messageID(unsigned long, unsigned long, bool*) const	+3	99.21%	100.00%
framework/JSystem/J2DGraph/J2DMaterialFactory	J2DMaterialFactory::create(J2DMaterial*, int, unsigned long, J2DResReference*, J2DResReference*, JKRArchive*) const	+2	99.94%	100.00%
framework/Z2AudioLib/Z2LinkMgr	Z2LinkSoundStarter::startSound(JAISoundID, JAISoundHandle*, const JGeometry::TVec3<float>*, unsigned long, float, float, float, float, float, unsigned long)	+1	99.97%	100.00%

📈 2 improvements in unmatched functions

Unit	Function	Bytes	Before	After
framework/JSystem/J2DGraph/J2DMatBlock	J2DTevBlock8::initialize()	+543	0.64%	87.15%
framework/JSystem/J2DGraph/J2DMatBlock	J2DTevBlock16::initialize()	+543	0.64%	87.15%

---

Report for GZ2E01 (a6c3c20 - fe82b53)

📈 Matched code: 83.63% (+0.05%, +5380 bytes)
📈 Linked code: 50.79% (+0.14%, +15532 bytes)

✅ 5 new matches

Unit	Function	Bytes	Before	After
framework/JSystem/JAudio2/JAUSectionHeap	JAUSection::newVoiceBank(unsigned long, unsigned long)	+13	95.68%	100.00%
framework/Z2AudioLib/Z2LinkMgr	Z2CreatureLink::startLinkSound(JAISoundID, unsigned long, signed char)	+6	99.22%	100.00%
framework/JSystem/JMessage/processor	JMessage::TProcessor::toMessageCode_messageID(unsigned long, unsigned long, bool*) const	+3	99.21%	100.00%
framework/JSystem/J2DGraph/J2DMaterialFactory	J2DMaterialFactory::create(J2DMaterial*, int, unsigned long, J2DResReference*, J2DResReference*, JKRArchive*) const	+2	99.94%	100.00%
framework/Z2AudioLib/Z2LinkMgr	Z2LinkSoundStarter::startSound(JAISoundID, JAISoundHandle*, const JGeometry::TVec3<float>*, unsigned long, float, float, float, float, float, unsigned long)	+1	99.97%	100.00%

📈 2 improvements in unmatched functions

Unit	Function	Bytes	Before	After
framework/JSystem/J2DGraph/J2DMatBlock	J2DTevBlock8::initialize()	+543	0.64%	87.15%
framework/JSystem/J2DGraph/J2DMatBlock	J2DTevBlock16::initialize()	+543	0.64%	87.15%