feat(core): hasSlotted SSR hints (#2845) #10357

Job	Run time
Lint files	31s
Unit Tests (Web Test Runner)	1m 11s
SSR Tests (Playwright)	1m 37s
Compile project (20)	58s
Verify that build runs on Windows	2m 53s
Compile project (21)	59s
Validate successful build on main	5s
Publish Playwright Report	13s
	8m 27s

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