[Android] Fix Cursor Not Closing in File Picker to Prevent Log Spam. (#27718)

* explicitly close the cursor

* changing to not null

Co-authored-by: MartyIX <203266+MartyIX@users.noreply.github.com>

---------

Co-authored-by: MartyIX <203266+MartyIX@users.noreply.github.com>

Author: bhavanesh2001

src/Essentials/src/FileSystem/FileSystemUtils.android.cs

@@ -345,6 +345,9 @@ static string QueryContentResolverColumn(AndroidUri contentUri, string columnNam
 					text = cursor.GetString(columnIndex);
 			}
 
+			if (cursor is not null && !cursor.IsClosed)
+			   cursor.Close();
+
 			return text;
 		}