refactor(接口测试): 断言表达式内容过长显示提示

--story=1007679 --user=赵勇 #13627[企业用户] 断言中如果字符过长显示不全，期望有悬浮显示的功能
https://www.tapd.cn/55049933/s/1180364

frontend/src/business/components/api/definition/components/assertion/ApiAssertionJsonPath.vue

@@ -2,8 +2,10 @@
   <div v-loading="loading">
     <el-row :gutter="10" type="flex" justify="space-between" align="middle">
       <el-col>
+        <el-tooltip :disabled="showTip" placement="top" :content="jsonPath.expression">
           <el-input :disabled="isReadOnly" v-model="jsonPath.expression" maxlength="500" size="small" show-word-limit
                     :placeholder="$t('api_test.request.extract.json_path_expression')"/>
+        </el-tooltip>
       </el-col>
       <el-col>
         <el-select :disabled="isReadOnly" v-model="jsonPath.option" class="ms-col-type" size="small"
@@ -69,7 +71,8 @@
 
   data() {
     return {
-        loading: false
+      loading: false,
+      showTip: true,
     }
   },
 
@@ -103,6 +106,7 @@
       })
     },
     setJSONPathDescription() {
+      this.showTip = this.jsonPath.expression.length < 50;
       this.jsonPath.description = this.jsonPath.expression + " expect: " + (this.jsonPath.expect ? this.jsonPath.expect : '');
     }
   }

frontend/src/business/components/api/definition/components/assertion/ApiAssertionRegex.vue

@@ -10,8 +10,10 @@
         </el-select>
       </el-col>
       <el-col>
+        <el-tooltip :disabled="showTip" placement="top" :content="regex.expression">
           <el-input :disabled="isReadOnly" v-model="regex.expression" size="small" show-word-limit
                   :placeholder="$t('api_test.request.assertions.expression')"/>
+        </el-tooltip>
       </el-col>
       <el-col class="assertion-checkbox">
         <el-checkbox v-model="regex.assumeSuccess" :disabled="isReadOnly">
@@ -61,6 +63,7 @@ export default {
   data() {
     return {
       subjects: ASSERTION_REGEX_SUBJECT,
+      showTip: true,
     }
   },
 
@@ -88,6 +91,7 @@ export default {
       return regex;
     },
     setRegexDescription() {
+      this.showTip = this.regex.description.length < 80;
       this.regex.description = this.regex.subject + " has: " + this.regex.expression;
     }
   }