```

feat(workflow): 添加字数限制显示并调整文本框高度

- 在工作流标题输入框添加 show-word-limit 属性以显示字数统计
- 将工作流描述文本域的最小行数从 2 行增加到 5 行
- 在需求标题输入框添加 show-word-limit 属性以显示字数统计
- 为背景描述文本域设置固定的 7 行高度
```

src/pages/WorkflowAdd.vue

@@ -33,7 +33,7 @@
             </div>
             <div class="mt10">
               <el-form-item :label="$t('workflowTrade.workflowTitle')" prop="workflowTitle"  v-show="!isFullscreen">
-                <el-input v-model="ruleForm.workflowTitle" :placeholder="$t('workflowTrade.placeholderWorkflowTitle')"  maxlength="50"/>
+                <el-input v-model="ruleForm.workflowTitle" :placeholder="$t('workflowTrade.placeholderWorkflowTitle')"  maxlength="50" show-word-limit/>
               </el-form-item>
               <el-form-item :label="$t('workflowTrade.workflowCategory')" prop="categoryId3"  v-show="!isFullscreen">
                 <el-cascader 
@@ -51,7 +51,7 @@
               <el-form-item :label="$t('workflowTrade.workflowDescription')" prop="description"  v-show="!isFullscreen">
                 <el-input type="textarea" 
                 v-model="ruleForm.description" 
-                :autosize="{ minRows: 2 }"
+                :autosize="{ minRows: 5 }"
                 :placeholder="$t('workflowTrade.placeholderWorkflowDescription')"  
                 maxlength="500" show-word-limit/>
               </el-form-item>

src/pages/workflowTrade/workflowTradeAdd.vue

@@ -21,7 +21,7 @@
                   <span class="font_size16 bold">{{t('workflowTradeAdd.demandTitle')}}</span>
                   <span class="font_size14 gray999 ml20">{{t('workflowTradeAdd.demandTitleTip')}}</span>
                 </div>
-                <el-input v-model="ruleForm.title" :placeholder="t('workflowTradeAdd.placeholderDemandTitle')"  maxlength="50"/>
+                <el-input v-model="ruleForm.title" :placeholder="t('workflowTradeAdd.placeholderDemandTitle')"  maxlength="50" show-word-limit/>
               </el-form-item>
               <el-form-item label="" prop="categoryId3">
                 <div>
@@ -52,7 +52,7 @@
             </div>
             <div class="mt10">
               <el-form-item :label="$t('workflowTradeAdd.background')" prop="background">
-                <el-input v-model="ruleForm.background" :placeholder="t('workflowTradeAdd.placeholderBackground')"  maxlength="500" type="textarea" show-word-limit/>
+                <el-input v-model="ruleForm.background" :placeholder="t('workflowTradeAdd.placeholderBackground')"  maxlength="500" type="textarea" show-word-limit rows="7"/>
               </el-form-item>
               <el-form-item :label="$t('workflowTradeAdd.requirements')" prop="requirements">
                 <el-input v-model="ruleForm.requirements"