feat(游戏模式): 添加游戏模式选择功能并优化UI状态管理

实现游戏模式选择功能，包括无尽波次、Boss Rush和割草模式
添加游戏模式与波次数据的映射关系
优化UI状态管理，新增selectingFeed状态控制UI元素显示
重构Starter面板布局，添加游戏模式选项
为EnergyBlock添加掉落物品配置

scripts/Statemachine/UIState.gd

@@ -12,6 +12,8 @@ static var energyPercent: ColorBar
 static var itemCollect: VBoxContainer
 static var skillIconContainer: HBoxContainer
 static var tips: VBoxContainer
+static var itemsContainer: Control
+static var energyContainer: Control
 
 func _ready():
 	bossbar = $%bossbar
@@ -23,6 +25,8 @@ func _ready():
 	items = $%items
 	fields = $%fields
 	fieldsAnimator = $%fieldsAnimator
+	itemsContainer = $%itemsContainer
+	energyContainer = $%energyContainer
 	await get_tree().process_frame
 	for panel in ComponentManager.panels:
 		panel = ComponentManager.getPanel(panel).instantiate() as FullscreenPanelBase
@@ -32,10 +36,17 @@ func _ready():
 func _process(_delta):
 	bossbar.visible = !!bossbar.entity
 func _physics_process(_delta):
-	if is_instance_valid(player):
+	if is_instance_valid(player) && !StarterPanel.selectingFeed:
 		for i in items.get_children():
 			var item = i as ItemShow
 			item.count = player.inventory.get(item.type)
+		bossbar.visible = true
+		itemsContainer.visible = true
+		energyContainer.visible = true
+	else:
+		bossbar.visible = false
+		itemsContainer.visible = false
+		energyContainer.visible = false
 	if currentPanel:
 		WorldManager.rootNode.process_mode = Node.PROCESS_MODE_DISABLED
 	else: