fix: attribution scanning details (#6651)

* key override file sources on file path, allow deleting groups

* dont scan modrinth files

* delete attr group button

* return what override files already exist on platform

* intl:extract

* uppercase queries

* fix dupe migration key

apps/labrinth/migrations/20260707120001_override_file_sources_file_path.sql

@@ -0,0 +1,4 @@
+alter table override_file_sources
+	add column file_path text not null default '',
+	drop constraint override_file_sources_pkey,
+	add primary key (sha1, file_id, file_path);