refactor(测试跟踪): 缺陷列表平台状态字段宽度显示优化

--bug=1025402 --user=陈建星 【测试跟踪】缺陷管理-复选框下拉图标显示未剧中 https://www.tapd.cn/55049933/s/1362357
--bug=1025391 --user=陈建星 【测试跟踪】缺陷管理-tab栏显示问题 https://www.tapd.cn/55049933/s/1362451

framework/sdk-parent/frontend/src/components/table/MsTableColumn.vue

@@ -2,7 +2,7 @@
   <el-table-column class-name="msTableColumn"
                    v-if="active && (!field || field.id === prop)"
                    :min-width="minWidth"
-                   :width="fieldsWidth ? fieldsWidth[prop] : width"
+                   :width="displayWidth"
                    :fixed="fixed"
                    :filters="filters"
                    :prop="prop"
@@ -91,6 +91,11 @@ export default {
   mounted() {
     this.active = true;
   },
+  computed: {
+    displayWidth() {
+      return (this.fieldsWidth && this.fieldsWidth[this.prop]) ? this.fieldsWidth[this.prop] : this.width;
+    },
+  },
   methods: {
     renderHeader(h, data) {
       if (data.column.label.length > 7) {

test-track/frontend/src/business/issue/IssueList.vue

@@ -59,6 +59,7 @@
             :sortable="item.sortable"
             :min-width="item.minWidth"
             :column-key="item.columnKey"
+            :width="item.width"
             :fields-width="fieldsWidth"
             :filters="item.filters"
           >

test-track/frontend/src/business/utils/track-table-header.js

@@ -130,7 +130,7 @@ const TRACK_HEADER = {
   ISSUE_LIST: [
     {id: 'num', key: '1', label: 'test_track.issue.id'},
     {id: 'title', key: '2', label: 'test_track.issue.title'},
-    {id: 'platformStatus', key: '3', label: 'test_track.issue.platform_status'},
+    {id: 'platformStatus', key: '3', label: 'test_track.issue.platform_status', width: 120},
     {id: 'platform', key: '4', label: 'test_track.issue.platform'},
     {id: 'creatorName', key: '5', label: 'custom_field.issue_creator'},
     {id: 'resourceName', key: '6', label: 'test_track.issue.issue_resource'},