chore: force .log extension to log files

Engine.Core/Debug/FileLogger.cs

@@ -14,6 +14,9 @@ public class FileLogger : LoggerBase
 
     public FileLogger(string filePath)
     {
+        if (!filePath.EndsWith(".log"))
+            filePath += ".log";
+
         FilePath = filePath;
 
         bool isRelativePath = Path.GetFullPath(filePath).CompareTo(filePath) != 0;