feat(search): Added app embedding functionality and optimized search page #3221 (#9499)

### What problem does this PR solve?
feat(search): Added app embedding functionality and optimized search
page #3221

- Added an Embed App button and related functionality
- Optimized the layout and interaction of the search settings interface
- Adjusted the search result display method
- Refactored some code to support new features
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/locales/en.ts

@@ -1418,6 +1418,7 @@ This delimiter is used to split the input text into several text pieces echo of
     },
     search: {
       createSearch: 'Create Search',
+      searchGreeting: 'How can I help you today ？',
     },
   },
 };

web/src/locales/zh-traditional.ts

@@ -1185,9 +1185,13 @@ export default {
       knowledge: '知識',
       chat: '聊天',
     },
-  },
-  modal: {
-    okText: '確認',
-    cancelText: '取消',
+    modal: {
+      okText: '確認',
+      cancelText: '取消',
+    },
+    search: {
+      createSearch: '新建查詢',
+      searchGreeting: '今天我能為你做些什麽？',
+    },
   },
 };

web/src/locales/zh.ts

@@ -1316,12 +1316,13 @@ General：实体和关系提取提示来自 GitHub - microsoft/graphrag：基于
         },
       },
     },
-  },
-  modal: {
-    okText: '确认',
-    cancelText: '取消',
-  },
-  search: {
-    createSearch: '新建查询',
+    modal: {
+      okText: '确认',
+      cancelText: '取消',
+    },
+    search: {
+      createSearch: '新建查询',
+      searchGreeting: '今天我能为你做些什么？',
+    },
   },
 };