[Editor] Fix "$$" issue in map initializer class

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/generator/MapObjectsCodeGenerator.kt

@@ -81,7 +81,7 @@ class MapObjectsCodeGenerator : CodeGenerator {
             .addParameter(TypeName.INT, "x", Modifier.FINAL)
             .addParameter(TypeName.INT, "y", Modifier.FINAL)
             .addParameter(MAP_PIN_TYPE, "here", Modifier.FINAL)
-            .addCode(it.code)
+            .addCode(it.code.replace("\$", "\$\$"))
             .build()
             .let(generatedClass::addMethod)
       }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/canvas/ObjectPaintingTrace.kt

@@ -88,7 +88,7 @@ class ObjectPaintingTrace(
           *        layer's index and x,y coordinates of the current tile          
           *  x: int - the x coordinate of the current tile
           *  y: int - the y coordinate of the current tile 
-          *  layer: ObjectLayer - current object layer's index
+          *  layer: ObjectLayer - current object layer
           *  map: GameMap - current map          
           *  handler: ${className(map.handler)} - current map handler
           *  runner: ${className(projectContext.project?.runner)} - the game runner of the project