Lbudginas/#396 account operations table bug

#396 (closed)

• Fix merge issue on operations table
• Fix hover issue on other tables , where first 2 (or 1) columns background color weren't affected after hover on row , that issue was present on smaller screens , when tables become narrower

requested review from @mcfarhat

assigned to @lbudginas

added 6 commits

• af444686...a671ec1e - 2 commits from branch develop
• 7822a9a6 - Fix account operations table column merge bug
• ebac2de2 - Fix witnesses table hover bug
• 8e1e6f26 - Fix voters dialog table hover bug
• 9d8cc86e - Fix votes history dialog table hover bug

Compare with previous version

merged