Add: trigger site creation overlay for creating a site after sign up

Author: hassaanelgarem

WordPress/Classes/ViewRelated/Blog/My Site/MySiteViewController.swift

@@ -696,12 +696,19 @@ class MySiteViewController: UIViewController, NoResultsViewHost {
     }
 
     func launchSiteCreation(source: String) {
-        let wizardLauncher = SiteCreationWizardLauncher()
-        guard let wizard = wizardLauncher.ui else {
-            return
+        JetpackFeaturesRemovalCoordinator.presentSiteCreationOverlayIfNeeded(in: self) {
+            guard JetpackFeaturesRemovalCoordinator.siteCreationPhase() != .two else {
+                return
+            }
+
+            // Display site creation flow if not in phase two
+            let wizardLauncher = SiteCreationWizardLauncher()
+            guard let wizard = wizardLauncher.ui else {
+                return
+            }
+            self.present(wizard, animated: true)
+            WPAnalytics.track(.enhancedSiteCreationAccessed, withProperties: ["source": source])
         }
-        present(wizard, animated: true)
-        WPAnalytics.track(.enhancedSiteCreationAccessed, withProperties: ["source": source])
     }
 
     @objc