wifi: mac80211: do not check BSS color collision in certain cases

Do not check BSS color collision in following cases
1. already under a color change
2. color change is disabled

Signed-off-by: Michael-CY Lee <michael-cy.lee@mediatek.com>
Link: https://patch.msgid.link/20240705074346.11228-1-michael-cy.lee@mediatek.com


Signed-off-by: Johannes Berg <johannes.berg@intel.com>