chore: implement tree w/o list #27027

Job	Run time
ubuntu-22.04 (chromium - Node.js 18)	12m 9s
ubuntu-20.04 (chromium tip-of-tree)	12m 27s
ubuntu-22.04 (firefox - Node.js 18)	24m 34s
ubuntu-22.04 (webkit - Node.js 18)	15m 43s
Installation Test ubuntu-latest	12m 3s
ubuntu-22.04 (chromium - Node.js 20)	11m 59s
Installation Test macos-latest	9m 28s
ubuntu-22.04 (chromium - Node.js 22)	11m 57s
Installation Test windows-latest	17m 57s
Test Runner (ubuntu-latest, 18, 1, 2)	29m 7s
VSCode Extension	28m 7s
Test Runner (ubuntu-latest, 18, 2, 2)	5m 0s
Test Runner (windows-latest, 18, 1, 2)	41m 11s
Web Components	2m 1s
Test Runner (windows-latest, 18, 2, 2)	8m 3s
Test Runner (macos-latest, 18, 1, 2)	21m 4s
Test Runner (macos-latest, 18, 2, 2)	3m 35s
Test Runner (ubuntu-latest, 20, 1, 2)	26m 56s
Test Runner (ubuntu-latest, 20, 2, 2)	4m 32s
Test Runner (ubuntu-latest, 22, 1, 2)	28m 36s
Test Runner (ubuntu-latest, 22, 2, 2)	4m 44s
	5h 31m 13s

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