Inlineable task conversions

[ArcadeMode]

• Fewer allocations (no TCS)
• Can now be inlined (instead of spanning multiple lines including temp variables)
• Helped get rid of last code implementing an approach of converting typeinfo objects to an 'interop' version

[github-actions]

Test Results

    9 files     65 suites   31s ⏱️
  676 tests   672 ✅  4 💤 0 ❌
1 876 runs  1 851 ✅ 25 💤 0 ❌

Results for commit fa976a6.

[github-actions]

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.3 LTS (Noble Numbat)
AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.103
  [Host]     : .NET 10.0.3 (10.0.3, 10.0.326.7603), X64 RyuJIT x86-64-v3
  Job-MLTFGY : .NET 10.0.3 (10.0.3, 10.0.326.7603), X64 RyuJIT x86-64-v3

InvocationCount=1  IterationCount=1  LaunchCount=10  
RunStrategy=ColdStart  UnrollFactor=1  WarmupCount=0  

Method	Compilation	ClassCount	Mean	Error	StdDev	Min	Max
Generate	AOT	0	14.26 ms	0.857 ms	0.567 ms	13.78 ms	15.40 ms
Generate	AOT	1	32.04 ms	1.674 ms	1.108 ms	30.14 ms	34.11 ms
Generate	AOT	10	31.67 ms	1.277 ms	0.845 ms	30.63 ms	33.44 ms
Generate	AOT	25	43.29 ms	1.722 ms	1.139 ms	41.33 ms	45.18 ms
Generate	AOT	50	55.31 ms	1.837 ms	1.215 ms	53.66 ms	57.22 ms
Generate	AOT	100	88.97 ms	1.694 ms	1.121 ms	86.85 ms	90.40 ms
Generate	AOT	200	95.84 ms	10.215 ms	6.757 ms	91.20 ms	114.44 ms
Generate	JIT	0	41.00 ms	1.056 ms	0.699 ms	40.31 ms	42.11 ms
Generate	JIT	1	807.47 ms	9.348 ms	6.183 ms	795.21 ms	814.39 ms
Generate	JIT	10	820.56 ms	9.199 ms	6.085 ms	809.20 ms	827.42 ms
Generate	JIT	25	851.17 ms	9.984 ms	6.604 ms	840.08 ms	860.90 ms
Generate	JIT	50	878.66 ms	9.282 ms	6.139 ms	872.49 ms	892.31 ms
Generate	JIT	100	978.85 ms	5.795 ms	3.833 ms	974.03 ms	985.86 ms
Generate	JIT	200	957.89 ms	7.365 ms	4.871 ms	950.20 ms	966.05 ms