Webapp Linter Fixes - Investigate/Cleanup ToDos

There are several files with ToDos left in the code. These need to be investigated, fixed and removed. * Run npx eslint --ext .tsx,.ts . in the webapp folder to see them

If small enough and easy enough to understand and fix. They can be fixed as part of this ticket. However, if after investigating the issue is large and/or complicated, a separate ticket should be created and this ticket can be closed by referencing the new ticket and removing the TODO from code.

This ticket includes the investigation of the following files. /webapp/src/archiver.ts /webapp/src/cardFilter.ts