Don't update_meta_cache when querying for groups in activity post form box.

See #5398

git-svn-id: https://buddypress.svn.wordpress.org/trunk@7895 cdf35c40-ae34-48e0-9cc9-0c9da1808c22
POT, generated from r7895

git-svn-id: https://buddypress.svn.wordpress.org/trunk@7896 cdf35c40-ae34-48e0-9cc9-0c9da1808c22
Normalize whitespace in bp_has_groups() parameter stack

git-svn-id: https://buddypress.svn.wordpress.org/trunk@7897 cdf35c40-ae34-48e0-9cc9-0c9da1808c22