fix: HTML rendering cannot obtain geolocation (#5104)

Author: shaohuzhang1

ui/src/components/markdown/HtmlRander.vue

@@ -4,6 +4,7 @@
     class="iframe"
     style="border: 0; width: 100%"
     :srcdoc="fSource"
+    allow="geolocation"
     sandbox="allow-scripts"
   />
 </template>

ui/src/components/markdown/IframeRender.vue

@@ -6,6 +6,7 @@
       style="border: 0; width: 100%"
       class="iframe"
       :srcdoc="finalSource"
+      allow="geolocation"
       sandbox="allow-scripts"
     />
   </div>