chore: implement tree w/o list #27055

Job	Run time
ubuntu-20.04 (chromium tip-of-tree)	12m 30s
ubuntu-22.04 (chromium - Node.js 18)	12m 21s
ubuntu-22.04 (firefox - Node.js 18)	24m 44s
ubuntu-22.04 (webkit - Node.js 18)	15m 25s
Installation Test ubuntu-latest	12m 20s
ubuntu-22.04 (chromium - Node.js 20)	11m 55s
Installation Test macos-latest	8m 57s
ubuntu-22.04 (chromium - Node.js 22)	12m 25s
Installation Test windows-latest	18m 2s
VSCode Extension	28m 26s
Test Runner (ubuntu-latest, 18, 1, 2)	30m 5s
Test Runner (ubuntu-latest, 18, 2, 2)	5m 10s
Web Components	2m 23s
Test Runner (windows-latest, 18, 1, 2)	41m 46s
Test Runner (windows-latest, 18, 2, 2)	8m 50s
Test Runner (macos-latest, 18, 1, 2)	19m 31s
Test Runner (macos-latest, 18, 2, 2)	3m 27s
Test Runner (ubuntu-latest, 20, 1, 2)	28m 10s
Test Runner (ubuntu-latest, 20, 2, 2)	4m 48s
Test Runner (ubuntu-latest, 22, 1, 2)	27m 50s
Test Runner (ubuntu-latest, 22, 2, 2)	5m 25s
	5h 34m 30s

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