feat: add ability to customize overlay offset

[yggg]

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• I read and followed the CONTRIBUTING.md guide.
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Short description of what this resolves:

Closes #2175.

[ghost]

DeepCode's analysis on #34bdef found:

• ℹ️ 2 minor issues. 👇

Top issues

Description	Example fixes
asterisks in jsdoc must be aligned Occurrences: select.component.ts:501 select.component.ts:545 select.component.ts:550	🔧 Example fixes
Type number trivially inferred from a number literal, remove type annotation Occurrences: autocomplete.directive.ts:142 autocomplete.directive.ts:154 autocomplete.directive.ts:167	🔧 Example fixes

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