On Publish action page is reloaded twice.

Steps:
1. Go to StudioUI and the demo page "Tasteful Planet".
2. Switch to Edit mode (In-line page editing).
3. Introduce some modification e.g. add extra block (and complete its configuration)
4. Click Publish.
5. Click Confirm if confirmation pop-up shows up.
Actual: The page reloads twice (it "blinks" twice). When Edit mode button is pressed after first reload the PlatformUI Content Editor opens.
Expected: Page reloads only once, the Edit mode button opens the In-line page editing mode in StudioUI.