Bug 1911824: Change the copy setting for artefact annotation to 'nocopy'

Check that $evidences exist in case there exist evidenviews but no evidence blocks to copy

if the only block on a view is an annotation block, then make a check to not get the sql to run copies
which will result in error as there are no artefacts to copy.

Change-Id: Ie914704046c2396a2fedce958cef3a44dd28ae33