fix(mission): 处理英雄全灭时自动结束战斗并优化UI显示

- 在 MissionComp 中新增 handleHeroWipe 方法，当英雄数量为0且处于战斗状态时自动结束战斗
- 修复 MissionCardComp 中卡池等级UI显示逻辑，简化激活条件判断
- 调整 role_controller.prefab 中多个UI元素的布局参数，优化界面显示效果

assets/resources/gui/role_controller.prefab

@@ -2962,7 +2962,7 @@
     "__prefab": {
       "__id__": 125
     },
-    "_resizeMode": 1,
+    "_resizeMode": 0,
     "_layoutType": 1,
     "_cellSize": {
       "__type__": "cc.Size",
@@ -2997,6 +2997,8 @@
       "__id__": 0
     },
     "fileId": "33rSVysAVB1LO2v7wC2zZ1",
+    "instance": null,
+    "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {
@@ -3924,7 +3926,7 @@
     "__prefab": {
       "__id__": 167
     },
-    "_resizeMode": 1,
+    "_resizeMode": 0,
     "_layoutType": 1,
     "_cellSize": {
       "__type__": "cc.Size",
@@ -3943,7 +3945,7 @@
     "_constraint": 0,
     "_constraintNum": 2,
     "_affectedByScale": false,
-    "_isAlign": false,
+    "_isAlign": true,
     "_id": ""
   },
   {
@@ -3959,6 +3961,8 @@
       "__id__": 0
     },
     "fileId": "50nlTzRABGJ4vZYBkdXijK",
+    "instance": null,
+    "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {
@@ -4156,6 +4160,8 @@
       "__id__": 0
     },
     "fileId": "ebDo8RYmhKJoLQcsDOvm6d",
+    "instance": null,
+    "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {
@@ -4191,7 +4197,7 @@
     },
     "_lpos": {
       "__type__": "cc.Vec3",
-      "x": -44.229,
+      "x": -70,
       "y": 0,
       "z": 0
     },
@@ -4741,7 +4747,7 @@
     },
     "_lpos": {
       "__type__": "cc.Vec3",
-      "x": 10,
+      "x": -47.013,
       "y": 0,
       "z": 0
     },
@@ -4787,7 +4793,7 @@
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
-      "x": 0.5,
+      "x": 0,
       "y": 0.5
     },
     "_id": ""
@@ -4819,7 +4825,7 @@
       "a": 255
     },
     "_string": "{{0}}/{{1}}",
-    "_horizontalAlign": 1,
+    "_horizontalAlign": 0,
     "_verticalAlign": 1,
     "_actualFontSize": 25,
     "_fontSize": 25,
@@ -5180,6 +5186,8 @@
       "__id__": 0
     },
     "fileId": "35dr0lJV9CO5Ld8TLk7eCZ",
+    "instance": null,
+    "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {
@@ -5205,7 +5213,7 @@
     },
     "_lpos": {
       "__type__": "cc.Vec3",
-      "x": -71.736,
+      "x": -70.3,
       "y": 0,
       "z": 0
     },
@@ -5317,6 +5325,8 @@
       "__id__": 0
     },
     "fileId": "e7dPNasr5IyqES0tbwxJX3",
+    "instance": null,
+    "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {
@@ -5345,7 +5355,7 @@
     },
     "_lpos": {
       "__type__": "cc.Vec3",
-      "x": -49.32,
+      "x": -47.013,
       "y": 0,
       "z": 0
     },
@@ -5501,6 +5511,8 @@
       "__id__": 0
     },
     "fileId": "65zRY1wpZPNLTXws9hsdcE",
+    "instance": null,
+    "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {