Background image upload: Fix missing error notice in iPhones (#15117)

Author: itsmeichigo

RELEASE-NOTES.txt

@@ -6,6 +6,7 @@
 - [*] Now "Suggested by AI" label is visible in dark mode in Blaze campaign creation flow. [https://github.com/woocommerce/woocommerce-ios/pull/15088]
 - [*] Improved image loading in Blaze Campaign Creation: displays a redacted and shimmering effects when loading product image and falls back to a placeholder if no image is available. [https://github.com/woocommerce/woocommerce-ios/pull/15098]
 - [*] Product List: Display syncing animation on items with image upload in progress [https://github.com/woocommerce/woocommerce-ios/pull/15052]
+- [*] Background image upload: Fix missing error notice in iPhones [https://github.com/woocommerce/woocommerce-ios/pull/15117]
 
 21.7
 -----

WooCommerce/Classes/ViewRelated/Products/ProductsSplitViewCoordinator.swift

@@ -230,6 +230,12 @@ private extension ProductsSplitViewCoordinator {
 extension ProductsSplitViewCoordinator: UINavigationControllerDelegate {
     func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
         if didNavigateFromTheLastSecondaryViewControllerToProductListInCollapsedMode(navigationController, didShow: viewController) {
+            if let contentType = contentTypes.last, case let .productForm(product) = contentType, let product {
+                ServiceLocator.productImageUploader.startEmittingErrors(
+                    key: .init(siteID: product.siteID,
+                               productOrVariationID: .product(id: product.productID),
+                               isLocalID: false))
+            }
             contentTypes = []
             secondaryNavigationController.viewControllers = []
             return