fix(SiderMenu): correct style syntax for BaseMenu width (#123)

Author: ElderJames

src/layout/src/SiderMenu/SiderMenu.razor

@@ -39,7 +39,7 @@
             OnMenuItemClicked="OnMenuItemClicked"
             SelectedKeys="SelectedKeys"
             SelectedKeysChanged="SelectedKeysChanged"
-            Style="@("width: '100%'")" />
+            Style="@("width: 100%")" />
     </div>
 
     <!--menu-->