Use SoftClamp in DrawAircraftEngine, DrawShipEngine, DrawTrainEngine

src/aircraft_cmd.cpp

@@ -237,7 +237,7 @@ void DrawAircraftEngine(int left, int right, int preferred_x, int y, EngineID en
 	GetAircraftIcon(engine, image_type, &seq);
 
 	Rect16 rect = seq.GetBounds();
-	preferred_x = Clamp(preferred_x,
+	preferred_x = SoftClamp(preferred_x,
 			left - UnScaleGUI(rect.left),
 			right - UnScaleGUI(rect.right));
 

src/ship_cmd.cpp

@@ -107,7 +107,7 @@ void DrawShipEngine(int left, int right, int preferred_x, int y, EngineID engine
 	GetShipIcon(engine, image_type, &seq);
 
 	Rect16 rect = seq.GetBounds();
-	preferred_x = Clamp(preferred_x,
+	preferred_x = SoftClamp(preferred_x,
 			left - UnScaleGUI(rect.left),
 			right - UnScaleGUI(rect.right));
 

src/train_cmd.cpp

@@ -1386,7 +1386,7 @@ void DrawTrainEngine(int left, int right, int preferred_x, int y, EngineID engin
 		GetRailIcon(engine, false, y, image_type, &seq);
 
 		Rect16 rect = seq.GetBounds();
-		preferred_x = Clamp(preferred_x,
+		preferred_x = SoftClamp(preferred_x,
 				left - UnScaleGUI(rect.left),
 				right - UnScaleGUI(rect.right));