fix(测试跟踪): 测试计划执行状态按钮样式不一致

--bug=1028938 --user=宋昌昌 【测试跟踪】测试计划-执行测试用例-选择用例的“跳过”状态，保存后 执行结果的“跳过” 字体颜色前后不一致 https://www.tapd.cn/55049933/s/1414257

test-track/frontend/src/business/common/tableItems/planview/StatusTableItem.vue

@@ -85,11 +85,11 @@ export default {
 }
 
 .skip {
-  background-color: rgba(0, 214, 185, 0.2);
+  background-color: rgba(120, 56, 135, 0.2);
-  color: #078372;
+  color: rgb(120, 56, 135);
 }
 
-.blocking, .skip {
+.blocking {
   background-color: rgba(255, 136, 0, 0.2);
   color: #DE7802;
 }

test-track/frontend/src/business/plan/common/TestPlanTestCaseStatusButton.vue

@@ -48,7 +48,8 @@
           {
             type: 'info',
             value: 'Skip',
-            label: this.$t('test_track.plan_view.skip')
+            label: this.$t('test_track.plan_view.skip'),
+            style: "background-color: #783887; border-color: #783887"
           },
           {
             type: 'info',