fix(接口测试): 修复自定义变量 内容被遮挡缺陷

frontend/src/business/components/api/test/components/ApiVariableInput.vue

 <template>
   <div class="variable-input">
-    <el-input :disabled="isReadOnly" :value="value" v-bind="$attrs" :size="size" @change="change" @input="input"/>
+    <el-input class="el-input__inner_pd" :disabled="isReadOnly" :value="value" v-bind="$attrs" :size="size" @change="change" @input="input"/>
     <div :class="{'hidden': !showVariable}" class="variable-combine" v-if="value">
       <div  class="variable">{{variable}}</div>
       <el-tooltip :content="$t('api_test.copied')" manual v-model="visible" placement="top" :visible-arrow="false">
@@ -70,6 +70,9 @@
   .variable-input {
     position: relative;
   }
+  .el-input__inner_pd >>> .el-input__inner {
+    padding-right: 135px;
+  }
 
   .variable-combine {
     color: #7F7F7F;