Fix extracting own playlist info when authenticated (#791)

Author: Tyrrrz

YoutubeExplode/Bridge/PlaylistBrowseResponse.cs

@@ -45,7 +45,14 @@ internal partial class PlaylistBrowseResponse(JsonElement content) : IPlaylistDa
             ?.EnumerateArrayOrNull()
             ?.Select(j => j.GetPropertyOrNull("text")?.GetStringOrNull())
             .WhereNotNull()
-            .ConcatToString();
+            .ConcatToString()
+        ?? SidebarPrimary
+            ?.GetPropertyOrNull("titleForm")
+            ?.GetPropertyOrNull("inlineFormRenderer")
+            ?.GetPropertyOrNull("formField")
+            ?.GetPropertyOrNull("textInputFormFieldRenderer")
+            ?.GetPropertyOrNull("value")
+            ?.GetStringOrNull();
 
     [Lazy]
     private JsonElement? AuthorDetails =>
@@ -85,7 +92,14 @@ internal partial class PlaylistBrowseResponse(JsonElement content) : IPlaylistDa
             ?.EnumerateArrayOrNull()
             ?.Select(j => j.GetPropertyOrNull("text")?.GetStringOrNull())
             .WhereNotNull()
-            .ConcatToString();
+            .ConcatToString()
+        ?? SidebarPrimary
+            ?.GetPropertyOrNull("descriptionForm")
+            ?.GetPropertyOrNull("inlineFormRenderer")
+            ?.GetPropertyOrNull("formField")
+            ?.GetPropertyOrNull("textInputFormFieldRenderer")
+            ?.GetPropertyOrNull("value")
+            ?.GetStringOrNull();
 
     [Lazy]
     public IReadOnlyList<ThumbnailData> Thumbnails =>