perf[Tinymce]: add searchreplace plugin

Author: PanJiaChen

src/components/Tinymce/toolbar.js

@@ -1,6 +1,6 @@
 // Here is a list of the toolbar
 // Detail list see https://www.tinymce.com/docs/advanced/editor-control-identifiers/#toolbarcontrols
 
-const toolbar = ['bold italic underline strikethrough alignleft aligncenter alignright outdent indent  blockquote undo redo removeformat subscript superscript code codesample', 'hr bullist numlist link image charmap preview anchor pagebreak insertdatetime media table emoticons forecolor backcolor fullscreen']
+const toolbar = ['searchreplace bold italic underline strikethrough alignleft aligncenter alignright outdent indent  blockquote undo redo removeformat subscript superscript code codesample', 'hr bullist numlist link image charmap preview anchor pagebreak insertdatetime media table emoticons forecolor backcolor fullscreen']
 
 export default toolbar