Perf: Cache candidate properties for propagation and generation

[smitpatel]

Resolves #22263

Also improves perf for Add

[smitpatel]

Before

Method	AutoDetectChanges	Mean	Error	StdDev	Gen 0	Gen 1	Gen 2	Allocated
Add	False	221.1 ms	2.28 ms	2.13 ms	9000.0000	3000.0000	-	59.13 MB
AddRange	False	225.7 ms	1.20 ms	1.12 ms	9000.0000	3000.0000	-	58.52 MB
Attach	False	169.6 ms	1.88 ms	1.76 ms	7000.0000	2000.0000	-	45.4 MB
AttachRange	False	162.5 ms	1.51 ms	1.41 ms	7000.0000	2000.0000	-	44.79 MB
Add	True	220.8 ms	1.72 ms	1.61 ms	9000.0000	3000.0000	-	59.13 MB
AddRange	True	230.4 ms	1.94 ms	1.72 ms	9000.0000	3000.0000	-	58.52 MB
Attach	True	171.8 ms	2.52 ms	2.24 ms	7000.0000	2000.0000	-	45.4 MB
AttachRange	True	168.8 ms	1.23 ms	1.03 ms	7000.0000	2000.0000	-	44.79 MB

After

Method	AutoDetectChanges	Mean	Error	StdDev	Gen 0	Gen 1	Gen 2	Allocated
Add	False	143.66 ms	2.057 ms	1.925 ms	8000.0000	2000.0000	-	51.04 MB
AddRange	False	139.75 ms	2.083 ms	1.948 ms	8000.0000	2000.0000	-	50.43 MB
Attach	False	103.22 ms	0.933 ms	0.827 ms	6000.0000	2000.0000	-	41.28 MB
AttachRange	False	96.17 ms	1.322 ms	1.236 ms	6000.0000	2000.0000	-	40.67 MB
Add	True	167.29 ms	3.681 ms	5.160 ms	8000.0000	2000.0000	-	51.04 MB
AddRange	True	140.94 ms	1.663 ms	1.556 ms	8000.0000	2000.0000	-	50.43 MB
Attach	True	97.05 ms	1.154 ms	1.079 ms	6000.0000	2000.0000	-	41.28 MB
AttachRange	True	99.18 ms	1.299 ms	1.215 ms	6000.0000	2000.0000	-	40.67 MB

[smitpatel]

After multiple options and iterations

Method	AutoDetectChanges	Mean	Error	StdDev	Gen 0	Gen 1	Gen 2	Allocated
Add	False	135.93 ms	2.422 ms	2.265 ms	7000.0000	2000.0000	-	49.52 MB
AddRange	False	137.92 ms	2.183 ms	2.042 ms	7000.0000	2000.0000	-	48.91 MB
Attach	False	96.86 ms	1.400 ms	1.241 ms	6000.0000	2000.0000	-	40.51 MB
AttachRange	False	95.02 ms	0.916 ms	0.857 ms	6000.0000	2000.0000	-	39.9 MB
Add	True	136.08 ms	1.233 ms	1.153 ms	7000.0000	2000.0000	-	49.52 MB
AddRange	True	136.86 ms	2.007 ms	1.877 ms	7000.0000	2000.0000	-	48.91 MB
Attach	True	103.01 ms	2.007 ms	3.298 ms	6000.0000	2000.0000	-	40.51 MB
AttachRange	True	96.48 ms	1.304 ms	1.219 ms	6000.0000	2000.0000	-	39.9 MB

[smitpatel]

@Pilchie for RC1 approval

[Pilchie]

Approved for RC.1