SP-1127 - Backport of PRD-4980 - Objects not visible on the `No data` section of the report design canvas (5.0)

What was done:
1) added check to display no data in design mode
Merge pull request #357 from kolinus/SP-1127

SP-1127 - Backport of PRD-4980 - Objects not visible on the `No data` se...