Feature/auto select grind20

[eugene-doobu]

This pull request includes several modifications to the GrindModule.prefab and GrindModule.cs files in the nekoyume project. The primary changes involve adjustments to the UI elements and the addition of a new button, as well as refactoring the Awake method to improve code organization.

UI Changes:

• Updated the m_RootOrder values for various RectTransform components to adjust the rendering order. [1] [2] [3] [4]
• Added a new autoSelectButton to the MonoBehaviour component.
• Modified the PrefabInstance properties to adjust the size, position, and other attributes of UI elements. [1] [2] [3] [4] [5]

Code Changes:

• Added a new using directive for Nekoyume.Battle in GrindModule.cs.
• Introduced a new autoSelectButton field in the CrystalAnimationData struct.
• Refactored the Awake method to extract button event bindings into a separate method BindButtonEvents.
• Added a missing return statement in the OnClickItem method to prevent further execution.
• Updated the OnUpdateInventory method to use a cached list for inventory models.