6442 "Zoom to fit" when kcl file is shared on web (#6619)

* submit zoom_to_fit when kcl file is created on web

* add test for zoom to fit on shared model on web - only works with a hack so far

* resolve circular deps

* fix Zoom to fit to shared model on web, test still not passing without timeout

* Clean up zoom_to_fit for web sharing, stabilize test

* fmt

* small import refactor

* fmt

* Make Zoom to fit test web-only

src/components/OpenInDesktopAppHandler.tsx

@@ -116,6 +116,7 @@ export const OpenInDesktopAppHandler = (props: React.PropsWithChildren) => {
             className={buttonClasses + ' -order-1 !text-base'}
             onClick={continueToWebApp}
             iconStart={{ icon: 'arrowLeft' }}
+            data-testid="continue-to-web-app-button"
           >
             Continue to web app
           </ActionButton>