fix wav support in Safari 14

Author: jusephe

src/howler.core.js

@@ -273,7 +273,7 @@
         opus: !!audioTest.canPlayType('audio/ogg; codecs="opus"').replace(/^no$/, ''),
         ogg: !!audioTest.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/, ''),
         oga: !!audioTest.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/, ''),
-        wav: !!audioTest.canPlayType('audio/wav; codecs="1"').replace(/^no$/, ''),
+        wav: !!(audioTest.canPlayType('audio/wav; codecs="1"') || audioTest.canPlayType('audio/wav')).replace(/^no$/, ''),
         aac: !!audioTest.canPlayType('audio/aac;').replace(/^no$/, ''),
         caf: !!audioTest.canPlayType('audio/x-caf;').replace(/^no$/, ''),
         m4a: !!(audioTest.canPlayType('audio/x-m4a;') || audioTest.canPlayType('audio/m4a;') || audioTest.canPlayType('audio/aac;')).replace(/^no$/, ''),