Remove gap at the top of expandable code diff blocks
There was a gap introduced at the top of the diff code blocks in gitlab-foss!30927 (merged).
This should be fixable by using <colgroup> above <tbody> instead of inserting an empty row.
There was a gap introduced at the top of the diff code blocks in gitlab-foss!30927 (merged).
This should be fixable by using <colgroup> above <tbody> instead of inserting an empty row.