Please add the given code in your wplms customizer.php file in wplms customizer plugin :
add_action( 'bp_after_member_activity_post_form', 'bp_global_activity' );
add_action( 'bp_activity_post_form_options', 'bp_global_activity' );
function bp_global_activity() {
echo '<style>
body.activity.bp-user #buddypress #buddydrive-btn, body.activity.directory #buddypress #buddydrive-btn, body.single-item.groups #buddypress #buddydrive-btn{
position: absolute;
bottom: 22px;
right: 120px;
}
#buddypress form#whats-new-form #whats-new-content {
position: relative;
}
</style>';
// Always check the editor is available to prevent fatals!
if (function_exists( 'buddydrive_editor' ) ) {
// 'whats-new' is the id attribute of the textarea to publish activities
buddydrive_editor( 'whats-new' );
}
}
