fix(DetailDrawer): 在移动设备上隐藏全屏按钮

添加移动设备检测逻辑，避免在窄屏设备上显示全屏功能按钮

src/views/pages/richedit/DetailDrawer/index.vue

@@ -22,7 +22,7 @@
 						<el-button type="text" style="color: #ff1818"
 							v-if="!form.deleted && (data.status == 0 || data.status == 1)"
 							@click="doDeleteNewsFn(data)">删除</el-button>
-						<el-button type="text" @click="clickFull">
+						<el-button type="text" @click="clickFull" v-if="!isMobileByWidth()">
 							<el-icon v-if="!isFull">
 								<FullScreen />
 							</el-icon>