Feature/gh 1349 fe review tidy (#1363)

* bugfix - ensure a tab is activated when there's a trailing hash in the url

* bugfix - ensure tabs render correctly

* spacing tweaks of elements around the site

* correctly align activity feed open and close icons

* correct width of comments column in submissions table

* ensure status block titles don't bleed out of their container

* correct alignment of action button icons

* improve layout of submission action links

* improve layout of comments form on mobile

* remove modal secondary as it's only being used for a different close icon

* improve submission action alignment

* prevent last status bar label from overlapping content and creating unwanted space

* hyphenate all submissions table columns containing long worded items