Callout for submissions that are blocked

Significant improvements have been made to increase the speed and efficiency of the submission workflow within Crowdcontrol. Submission blockers have been added to inform users (customers and researcher) when a specific action is required to further assist the vulnerability triage, validation, and fix process. It is now easier to adjust submission data as users can now edit multiple fields at one time. Searching for submissions has been improved with the ability to apply multiple sort criteria to the tokenized search.