Switch locales selector JS error (#8468). Fix #8466, #8462
Switch locales selector JS error (#8468). Fix #8466, #8462

* Check for hover tool tip instance to avoid throwing errors

* Remove multiple attr because it is un-needed now
thenewguy/wagtail,wagtail/wagtail,wagtail/wagtail,rsalmaso/wagtail,thenewguy/wagtail,wagtail/wagtail,wagtail/wagtail,rsalmaso/wagtail,zerolab/wagtail,zerolab/wagtail,rsalmaso/wagtail,thenewguy/wagtail,zerolab/wagtail,thenewguy/wagtail,rsalmaso/wagtail,rsalmaso/wagtail,wagtail/wagtail,zerolab/wagtail,zerolab/wagtail,thenewguy/wagtail