Handle items that don't exist in embedded mode; fix iframe generation (#7605)

Checked locally. Have no idea how the heck the quotes got changed....

docs/TestingTheUi.md

@@ -20,6 +20,8 @@ major UI changes, framework updates, or when implementing significant new featur
 - Test the copy button
 - Check that social sharing buttons display correctly
 - Verify proper styling in both light and dark themes
+- Check the `<iframe>` of embed is correct HTML
+- Check the inner link of the iframe for embed works still (that is, embed mode)
 - Test "Copied to clipboard" tooltip functionality
 
 ### Load/Save Modal

static/main.ts

@@ -779,7 +779,7 @@ function start() {
 
     History.trackHistory(layout);
     setupSiteTemplateWidgetButton(siteTemplateScreenshots, layout);
-    new Sharing(layout);
+    if (!options.embedded) new Sharing(layout);
     new Printerinator(hub, themer);
 }
 

static/sharing.ts

@@ -429,7 +429,7 @@ export class Sharing {
     ): string {
         const embedUrl = Sharing.getEmbeddedUrl(config, root, isReadOnly, extraOptions);
         // The attributes must be double quoted, the full url's rison contains single quotes
-        return `<iframe width='800px' height='200px' src='${embedUrl}'></iframe>`;
+        return `<iframe width="800px" height="200px" src="${embedUrl}"></iframe>`;
     }
 
     private static getEmbeddedUrl(config: any, root: string, readOnly: boolean, extraOptions: object): string {

static/widgets/compiler-version-info.ts

@@ -90,8 +90,8 @@ function reallySetCompilerVersionPopover(
     const existingPopover = BootstrapUtils.getPopoverInstance(pane.fullCompilerName);
     if (existingPopover) existingPopover.dispose();
 
-    // Initialize new popover
-    BootstrapUtils.initPopover(pane.fullCompilerName, {
+    // Initialize a new popover; may not exist in embedded links.
+    BootstrapUtils.initPopoverIfExists(pane.fullCompilerName, {
         html: true,
         title: notification
             ? ($.parseHTML('<span>Compiler Version: ' + notification + '</span>')[0] as Element)