feat: 1、新增水印文案自定义功能；2、input-item输入框组件新增清除功能(可用于快捷清除水印文案)；3、偏好设置、主题切换、语言选择、是否全屏按钮新增动画效果 (#6800)

* feature: 新增水印文案自定义功能；

* chore: 偏好设置、主题切换、语言选择、是否全屏按钮新增动画效果

apps/web-ele/src/layouts/basic.vue

@@ -106,11 +106,16 @@ function handleMakeAll() {
   notifications.value.forEach((item) => (item.isRead = true));
 }
 watch(
-  () => preferences.app.watermark,
-  async (enable) => {
+  () => ({
+    enable: preferences.app.watermark,
+    content: preferences.app.watermarkContent,
+  }),
+  async ({ enable, content }) => {
     if (enable) {
       await updateWatermark({
-        content: `${userStore.userInfo?.username} - ${userStore.userInfo?.realName}`,
+        content:
+          content ||
+          `${userStore.userInfo?.username} - ${userStore.userInfo?.realName}`,
       });
     } else {
       destroyWatermark();