Add Sort Name to Tags (#5531)

* override "name" sort with COALESCE
* tag sort_name frontend

adds `data-sort-name` attribute to tag links prioritizes sort_name value but will default to tag name if not present in the same way that COALESCE will prioritize the same values in the same way
* add sort_name filter, update locale per request

* Include sort name in anonymiser
* Add import/export support
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Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

pkg/sqlite/studio.go

@@ -133,7 +133,7 @@ var (
 			},
 			fkColumn:     tagIDColumn,
 			foreignTable: tagTable,
-			orderBy:      "tags.name ASC",
+			orderBy:      "COALESCE(tags.sort_name, tags.name) ASC",
 		},
 	}
 )