Feature/clear all added button

[ramenhog]

Issue Number

Closes #117

Purpose/Implementation Notes

• added the ability to clear all selected added params in the queryParamSelector

Types of changes

What types of changes does your code introduce? Put an x in the boxes that apply

• [x] Bugfix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Functional tests

• Selecting params from the table in the "Added to Query" tab and clicking the "Remove from Query" removes the appropriate params from the query and repopulates search results
• Clicking the "X" on individual params in the "Overview" sidebar removes the appropriate param from the query and repopulates search results

Checklist

Put an x in the boxes that apply.

• [x] Lint and unit tests pass locally with my changes
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] I have added necessary documentation (if appropriate)
• [x] Any dependent changes have been merged and published in downstream modules

Screenshots

[ramenhog]

@dongbohu sorry for all the GA code in here. I should have waited to merge that in here until after this was approved