Auto tag movies during Manual Import or Library Import to increase resiliency and save time if the import fails.

[qazero]

Is your feature request related to a problem? Please describe.
It is not uncommon for radarr to error out during a large Library Import or large Manual Import. This is especially frustrating because it takes a good amount of time to manually go through all movies (potentially thousands depending on the size of your library) and select the ones you want to import and manually match them if not already done automatically. When it errors out I need to redo the entire process which is very long and tedious.

Describe the solution you'd like

1. During a Manual Import or Library Import, auto tag movies that exist in the folder that radarr was unable to automatically find a match for so we can manually match these later. These tagged movies should be viewable from another page within radarr where we can manually match them for later import (if left unmatched).

2. Also auto tag manually matched movies which have the box checked to be imported. These tagged movies should be viewable from another page within radarr as well. This will save a lot of time since radarr won't need to re-process the entire movies folder if an import fails because the movies would already be tagged. If an import fails mid-way, it could easily be reinitialized and resumed from the list of recently tagged items from the latest import attempt. For each successfully imported movie, the tag should be auto removed (until there are no outstanding items left that are tagged requiring import).

AB#1030