feat(html): add propertygrid spec #5103

Job	Run time
Status check > Unit	1s
CI \| Unit	1s
CI \| Visual	1s
Lint scripts / run	50s
Lint styles / run (default)	1m 20s
Render test pages / verify	8s
Lint styles / run (bootstrap)	1m 23s
Compile themes / run	46s
Lint styles / run (material)	1m 32s
Lint styles / run (classic)	1m 27s
Lint styles / run (fluent)	1m 11s
Render test pages / run	2m 15s
Status check > Lint scripts	1s
Status check > Lint styles	1s
Status check > A11y / prepare	1s
Create screenshots / run (default)	2m 18s
Create screenshots / run (bootstrap)	2m 32s
Create screenshots / run (material)	2m 25s
Create screenshots / run (classic)	2m 13s
Create screenshots / run (fluent)	2m 14s
Status check > A11y / run-checks (1)	2m 31s
Status check > A11y / run-checks (2)	2m 56s
Status check > A11y / run-checks (3)	2m 32s
Status check > A11y / run-checks (4)	2m 57s
Detect changes	21s
Status check > Visual	1s
	33m 58s

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