Revert "restore tag filter"

This reverts commit fd852aa486f3f03d75d3e8db720b4bce2f55970a.
Revert "remove debugger"

This reverts commit 8814759cc5593fd3b42c20a23dfddf6220760f5b.
Revert "handle edge case when artist had no attributes"

This reverts commit 9e9e7b67cb4fce398049b0653c207a3ba8b4e1aa.
Revert "Support export to CSV for favorites and downloads"

This reverts commit cba29829f0184e98edb842df3e3cff4cf78aa796.