chore: various v1.48.0 roll fixes for .NET #26912

Job	Run time
Web Components	2m 7s
ubuntu-20.04 (chromium tip-of-tree)	12m 21s
Installation Test ubuntu-latest	10m 44s
ubuntu-22.04 (chromium - Node.js 18)	12m 17s
Installation Test macos-latest	9m 6s
ubuntu-22.04 (firefox - Node.js 18)	24m 5s
Installation Test windows-latest	19m 0s
Test Runner (ubuntu-latest, 18, 1, 2)	28m 30s
ubuntu-22.04 (webkit - Node.js 18)	15m 29s
Test Runner (ubuntu-latest, 18, 2, 2)	4m 31s
ubuntu-22.04 (chromium - Node.js 20)	11m 58s
VSCode Extension	27m 13s
Test Runner (windows-latest, 18, 1, 2)	38m 5s
ubuntu-22.04 (chromium - Node.js 22)	12m 12s
Test Runner (windows-latest, 18, 2, 2)	8m 23s
Test Runner (macos-latest, 18, 1, 2)	21m 59s
Test Runner (macos-latest, 18, 2, 2)	3m 20s
Test Runner (ubuntu-latest, 20, 1, 2)	25m 57s
Test Runner (ubuntu-latest, 20, 2, 2)	4m 16s
Test Runner (ubuntu-latest, 22, 1, 2)	27m 1s
Test Runner (ubuntu-latest, 22, 2, 2)	4m 11s
	5h 22m 45s

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