Fix Crashlytics crash in Onboarding.

1Weather/ViewModels/TodayViewModel.swift

@@ -81,18 +81,20 @@ class TodayViewModel: ViewModelProtocol {
     public func showOnboardingOrPrivacyNoticeIfNeeded() {
         locationManager.doAfterLocationLoad { [weak self] (locations) in
             guard let self = self else { return }
-            if !self.locationManager.hasLocations {
-                self.delegate?.showOnboarding(viewModel: self)
-            }
-            else {
-                if !self.ccpaHelper.shownPrivacyNoticeBefore {
-                    if self.ccpaHelper.policyHasBeenUpdated {
-                        analytics(log: .ANALYTICS_PRIVACY_POLICY_UPDATED)
-                    }
-                    self.delegate?.showPrivacyNotice(viewModel: self)
+            onMain {
+                if !self.locationManager.hasLocations {
+                    self.delegate?.showOnboarding(viewModel: self)
                 }
                 else {
-                    self.onboardingFlowCompleted()
+                    if !self.ccpaHelper.shownPrivacyNoticeBefore {
+                        if self.ccpaHelper.policyHasBeenUpdated {
+                            analytics(log: .ANALYTICS_PRIVACY_POLICY_UPDATED)
+                        }
+                        self.delegate?.showPrivacyNotice(viewModel: self)
+                    }
+                    else {
+                        self.onboardingFlowCompleted()
+                    }
                 }
             }
         }