fix: NPE on selecting the quality for some streams [CodeBerg TeamNewPipe#30]

Author: NullPointerException

app/src/main/java/org/schabi/newpipe/util/StreamItemAdapter.java

@@ -137,14 +137,18 @@ private View getCustomView(final int position, final View view, final ViewGroup
             final AudioStream audioStream = ((AudioStream) stream);
             qualityString = audioStream.getAverageBitrate() > 0
                     ? audioStream.getAverageBitrate() + "kbps"
-                    : audioStream.getFormat().getName();
+                    : (audioStream.getFormat() == null? "Unknown": audioStream.getFormat().getName());
         } else if (stream instanceof SubtitlesStream) {
             qualityString = ((SubtitlesStream) stream).getDisplayLanguageName();
             if (((SubtitlesStream) stream).isAutoGenerated()) {
                 qualityString += " (" + context.getString(R.string.caption_auto_generated) + ")";
             }
         } else {
-            qualityString = stream.getFormat().getSuffix();
+            try{
+                qualityString = stream.getFormat().getSuffix();
+            } catch (Exception e){
+                qualityString = "Unknown";
+            }
         }
 
         if (streamsWrapper.getSizeInBytes(position) > 0) {