fix(ui/mission): 修复任务界面UI布局与激活状态

调整了多个UI节点的激活状态、位置坐标、尺寸和对齐参数，
移除了废弃的nock_node引用，修正界面显示异常问题

assets/resources/gui/element/mission.prefab

@@ -15695,7 +15695,7 @@
         "__id__": 928
       }
     ],
-    "_active": false,
+    "_active": true,
     "_components": [
       {
         "__id__": 972
@@ -15751,7 +15751,7 @@
       "__id__": 862
     },
     "_children": [],
-    "_active": true,
+    "_active": false,
     "_components": [
       {
         "__id__": 864
@@ -16545,7 +16545,7 @@
     "_lpos": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": 640,
+      "y": 331.679,
       "z": 0
     },
     "_lrot": {
@@ -16618,7 +16618,7 @@
     "_top": 535,
     "_bottom": 645,
     "_horizontalCenter": 0,
-    "_verticalCenter": 0,
+    "_verticalCenter": -308.321,
     "_isAbsLeft": true,
     "_isAbsRight": true,
     "_isAbsTop": true,
@@ -16723,7 +16723,7 @@
     "_lpos": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": 378.493,
+      "y": 70.17200000000003,
       "z": 0
     },
     "_lrot": {
@@ -16832,7 +16832,7 @@
     ],
     "value": {
       "__type__": "cc.Vec3",
-      "x": -90,
+      "x": 0,
       "y": 0.117999999999995,
       "z": 0
     }
@@ -17178,7 +17178,7 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 330,
+      "width": 150,
       "height": 110
     },
     "_anchorPoint": {
@@ -17206,12 +17206,12 @@
     },
     "_alignFlags": 42,
     "_target": null,
-    "_left": 195,
-    "_right": 195,
+    "_left": 285,
+    "_right": 285,
     "_top": 340.279,
     "_bottom": -521.315,
     "_horizontalCenter": 0,
-    "_verticalCenter": -261.507,
+    "_verticalCenter": -569.828,
     "_isAbsLeft": true,
     "_isAbsRight": true,
     "_isAbsTop": true,
@@ -21976,9 +21976,7 @@
     "closeCards": {
       "__id__": 939
     },
-    "nock_node": {
-      "__id__": 735
-    },
+    "nock_node": null,
     "showHeros": {
       "__id__": 362
     },