-Fixed youtube stream type to no longer return none.

-Fixed search result errors on empty.

src/main/java/org/schabi/newpipe/extractor/search/SearchResult.java

@@ -44,23 +44,10 @@ public class SearchResult {
         this.errors = Collections.unmodifiableList(new ArrayList<>(errors));
     }
 
-    public static SearchResult getSearchResult(SearchEngine engine, String query, int page, String languageCode, SearchEngine.Filter filter)
+    public static SearchResult getSearchResult(@Nonnull final SearchEngine engine, final String query, final int page,
+                                               final String languageCode, final SearchEngine.Filter filter)
             throws IOException, ExtractionException {
-
+        return engine.search(query, page, languageCode, filter).getSearchResult();
-        SearchResult result = engine
-                .search(query, page, languageCode, filter)
-                .getSearchResult();
-        if (result.resultList.isEmpty()) {
-            if (result.suggestion.isEmpty()) {
-                if (result.errors.isEmpty()) {
-                    throw new ExtractionException("Empty result despite no error");
-                }
-            } else {
-                // This is used as a fallback. Do not relay on it !!!
-                throw new SearchEngine.NothingFoundException(result.suggestion);
-            }
-        }
-        return result;
     }
 
     public String getSuggestion() {

src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeStreamExtractor.java

@@ -458,11 +458,9 @@ public class YoutubeStreamExtractor extends StreamExtractor {
     @Override
     public StreamType getStreamType() throws ParsingException {
         assertPageFetched();
-        if (playerArgs == null) return StreamType.NONE;
-
         try {
-            if (playerArgs.has("ps") && playerArgs.get("ps").toString().equals("live") ||
+            if (playerArgs != null && (playerArgs.has("ps") && playerArgs.get("ps").toString().equals("live") ||
-                    playerArgs.get(URL_ENCODED_FMT_STREAM_MAP).toString().isEmpty()) {
+                    playerArgs.get(URL_ENCODED_FMT_STREAM_MAP).toString().isEmpty())) {
                 return StreamType.LIVE_STREAM;
             }
         } catch (Exception e) {