Filter by amount shows wrong data (prod)

[churik]

Description

Type: Bug
Summary: filter by amount doesn't show appropriate results, it doesn't filter by amount;
in staging env it is reproducible only for old bounties with ATT tokens, which have wrong conversion in the system.

Expected behavior

filters are applied to USD values which are displayed on SOB - appropriate results are shown

Actual behavior

wrong results are shown

Reproduction

• Open https://openbounty.status.im/app#/?value=0-38
• Pay attention to filtered bounties

Additional Information

• screen from staging env:
  

• Browser: Chrome

• Operating System: Mac OSx High Sierra

[martinklepsch]

Besides fixing this we should consider using this opportunity to clean up some code and delete this filter entirely. We could later on bring it back in the form of value brackets ($0-200, $200-1000, ...). This would also help with analytics as it would become easier to understand what kind of bounties people are looking for.