fix(useDisplay): more intuitive use of `mobile-breakpoint` (#20311) #20844

Job	Run time
pre_job	1s
Build vuetify	2m 11s
Test (e2e)	1m 57s
Test (Unit)	49s
Build docs	19m 31s
Lint (--scope vuetify --scope @vuetify/api-generator)	1m 14s
Lint (--scope vuetifyjs.com)	4m 38s
deploy	0s
publish-docs	1s
	30m 22s

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