search: match file names case-insensitively

Not doing this lead to some inconsistent search results at points.

Resolves #437.

CHANGELOG.md

@@ -2,9 +2,14 @@
 
 ## dev
 
+#### What's Improved
+- Sorting now handles numbers of arbitrary length
+- Punctuation is now ignored in sorting with intelligent sort names disabled
+
 #### What's Fixed
 - Fixed issue where vorbis comments in the form of `metadata_block_picture` (lowercase) would not
 be parsed as images
+- Fixed issue where searches would match song file names case-sensitively
 
 ## 3.0.5
 

app/src/main/java/org/oxycblt/auxio/search/SearchEngine.kt

@@ -66,8 +66,7 @@ class SearchEngineImpl @Inject constructor(@ApplicationContext private val conte
         SearchEngine.Items(
             songs =
                 items.songs?.searchListImpl(query) { q, song ->
-                    // FIXME: Match case-insensitively
-                    song.path.name.contains(q)
+                    song.path.name.contains(q, ignoreCase = true)
                 },
             albums = items.albums?.searchListImpl(query),
             artists = items.artists?.searchListImpl(query),