Fix dashlet refresh issue
Fix dashlet refresh issue

When refreshing hidden dashlet with action-attrs by
first making it visible with same action, wait for
all pending requests to complete so that action
handler can find correct refresh scope.

Fixes RM-4104

axelor/axelor-development-kit,axelor/axelor-development-kit,axelor/axelor-development-kit,axelor/axelor-development-kit