补全 UI 设计

- `ItemDescForm` 道具详细信息面板，目前还未添加 DescText 内容的赋值
- `RepoForm` 道具入槽逻辑调整，为了适应 `ItemDescForm` 的点击打开逻辑，点击道具自动匹配槽位改成拖动道具到相应槽位
- 添加了一系列图片素材

Assets/GameMain/Scripts/DataTable/DRBaseComp.cs

@@ -16,12 +16,7 @@ namespace GeometryTD.DataTable
         /// 获取底座组件编号
         /// </summary>
         public override int Id => m_Id;
-
-        /// <summary>
-        /// 获取底座组件实体编号
-        /// </summary>
-        public int EntityId { get; private set; }
-
+        
         /// <summary>
         /// 获取底座组件名
         /// </summary>
@@ -64,7 +59,6 @@ namespace GeometryTD.DataTable
             index++;
             m_Id = int.Parse(columnStrings[index++]);
             index++;
-            EntityId = int.Parse(columnStrings[index++]);
             Name = columnStrings[index++];
             AttackSpeed = GenerateAttackSpeed(columnStrings[index++]);
             AttackSpeedPerLevel = float.Parse(columnStrings[index++]);

Assets/GameMain/Scripts/DataTable/DRBearingComp.cs

@@ -17,11 +17,6 @@ namespace GeometryTD.DataTable
         /// </summary>
         public override int Id => m_Id;
 
-        /// <summary>
-        /// 获取轴承组件实体编号
-        /// </summary>
-        public int EntityId { get; private set; }
-
         /// <summary>
         /// 获取轴承组件名
         /// </summary>
@@ -69,7 +64,6 @@ namespace GeometryTD.DataTable
             index++;
             m_Id = int.Parse(columnStrings[index++]);
             index++;
-            EntityId = int.Parse(columnStrings[index++]);
             Name = columnStrings[index++];
             RotateSpeed = GenerateFloatArray(columnStrings[index++]);
             RotateSpeedPerLevel = float.Parse(columnStrings[index++]);

Assets/GameMain/Scripts/DataTable/DRMuzzleComp.cs

@@ -16,12 +16,7 @@ namespace GeometryTD.DataTable
         /// 获取枪口组件编号
         /// </summary>
         public override int Id => m_Id;
-
-        /// <summary>
-        /// 获取枪口组件实体编号
-        /// </summary>
-        public int EntityId { get; private set; }
-
+        
         /// <summary>
         /// 获取枪口组件名
         /// </summary>
@@ -69,7 +64,6 @@ namespace GeometryTD.DataTable
             index++;
             m_Id = int.Parse(columnStrings[index++]);
             index++;
-            EntityId = int.Parse(columnStrings[index++]);
             Name = columnStrings[index++];
             AttackDamage = GenerateAttackDamage(columnStrings[index++]);
             AttackDamagePerLevel = int.Parse(columnStrings[index++]);