feat(相机): 添加鼠标位置对相机偏移的影响

实现鼠标位置影响相机偏移的功能，使相机能够根据鼠标在屏幕上的位置进行轻微偏移，提升游戏交互体验

scripts/Tools/Managers/CameraManager.gd

@@ -17,6 +17,7 @@ func _physics_process(_delta):
 	if is_instance_valid(UIState.player):
 		position = UIState.player.position + constantOffset
 		position += MathTool.sampleInCircle(shakeIntensity)
+		position += MouseTool.getPositionByScreen(Vector2.ONE * 0.5, self ) / 2
 
 static func shake(millseconds: float, intensity: float = 10, steper: Callable = func(currentValue, _totalValue, _restPercent): return currentValue):
 	if StarterPanel.buildingShader: return