fix: prevent MCP server creation when setting is disabled (#6613) #13306

Job	Run time
check-translations	34s
check-openrouter-api-key	2s
platform-unit-test (ubuntu-latest)	3m 33s
compile	1m 52s
knip	46s
platform-unit-test (windows-latest)	6m 21s
integration-test	7m 24s
notify-slack-on-failure	-1s
	20m 31s

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