fix(server): fix case-insensitive sort order and add indexes to improve performance (#3425)

* refactor(server): better sort mappings

* refactor(server): simplify GetIndex

* fix: recreate tables and indexes using proper collation

Also add tests to ensure proper collation

* chore: remove unused method

* fix: sort expressions

* fix: lint errors

* fix: cleanup

model/mediafile.go

@@ -140,7 +140,6 @@ func (mfs MediaFiles) ToAlbum() Album {
 		a.AlbumArtist = m.AlbumArtist
 		a.AlbumArtistID = m.AlbumArtistID
 		a.SortAlbumName = m.SortAlbumName
-		a.SortArtistName = m.SortArtistName
 		a.SortAlbumArtistName = m.SortAlbumArtistName
 		a.OrderAlbumName = m.OrderAlbumName
 		a.OrderAlbumArtistName = m.OrderAlbumArtistName
@@ -261,11 +260,10 @@ type MediaFileRepository interface {
 	GetAll(options ...QueryOptions) (MediaFiles, error)
 	Search(q string, offset int, size int) (MediaFiles, error)
 	Delete(id string) error
+	FindByPaths(paths []string) (MediaFiles, error)
 
 	// Queries by path to support the scanner, no Annotations or Bookmarks required in the response
 	FindAllByPath(path string) (MediaFiles, error)
-	FindByPath(path string) (*MediaFile, error)
-	FindByPaths(paths []string) (MediaFiles, error)
 	FindPathsRecursively(basePath string) ([]string, error)
 	DeleteByPath(path string) (int64, error)