Replace getCreatedBySomeoneElseComment with addCreatedBySomeoneElseComment

[igorlesnenko]

Having getCreatedBySomeoneElseComment makes code and types more complicated

See JiraServer example here: #6059

parabol/packages/server/integrations/TaskIntegrationManagerFactory.ts

Lines 27 to 34 in ba2b221

	// TODO: implement addCreatedBySomeoneElseComment instead
	getCreatedBySomeoneElseComment(
	viewerName: string,
	assigneeName: string,
	teamName: string,
	teamDashboardUrl: string
	): Doc | string
	}

AC:
Replace getCreatedBySomeoneElseComment with addCreatedBySomeoneElseComment for

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