fix: issues with input_id being a list

[ricoloic]

Fixing an issue when using MAL and/or anilist

Description

This change is to fix an issue that has been going on for about a month or so which seemed to have been cause to a list of ids being treated as a single id

| Traceback (most recent call last):                                                                 |
|   File "//kometa.py", line 812, in run_collection                                                  |
|     builder.filter_and_save_items(builder.gather_ids(method, value))                               |
|   File "/modules/builder.py", line 2298, in filter_and_save_items                                  |
|     input_id = int(input_id)                                                                       |
|                ^^^^^^^^^^^^^                                                                       |
| TypeError: int() argument must be a string, a bytes-like object or a real number, not 'list'       |
|                                                                                                    |
| Unknown Error: int() argument must be a string, a bytes-like object or a real number, not 'list'   |

#2135

Issues Fixed or Closed

• Fixes #(2135)

Type of Change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

Checklist

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• Updated the CHANGELOG with the changes

[YozoraXCII]

@meisnate12 can you review this one please?