Enabling structural equality for MetadataStorage again #28724

Job	Run time
Cancel Previous Runs	4s
Engine (GraalVM CE) (linux, amd64)	8m 38s
Engine (GraalVM CE) (macos, amd64)	50m 50s
Engine (GraalVM CE) (windows, amd64)	18m 21s
JVM Tests (GraalVM CE) (linux, amd64)	13m 30s
JVM Tests (GraalVM CE) (macos, amd64)	54m 24s
JVM Tests (GraalVM CE) (windows, amd64)	45m 39s
Standard Library Tests (GraalVM CE) (linux, amd64)	6m 21s
Standard Library Tests (GraalVM CE) (macos, amd64)	26m 38s
Standard Library Tests (GraalVM CE) (windows, amd64)	14m 14s
Verify License Packages (linux, amd64)	43s
	3h 59m 22s

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