fix!: rename Hilla's endpointObjectMapper to prevent bean name clashe… #7802

Job	Run time
Build Java and TypeScript for other tasks	2m 43s
Test Java	3m 37s
ITs (ubuntu-latest, group-1)	5m 7s
Check style	2m 18s
ITs (ubuntu-latest, group-2)	4m 7s
Gradle tests (ubuntu-latest)	3m 34s
ITs (ubuntu-latest, some)	4m 44s
Test TypeScript	2m 11s
Gradle tests (windows-latest)	6m 58s
Tests Summary	2s
	35m 21s

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