Fix the loading sites UI in the share extensions (#25798)

* Format share extension site picker

* Show site fetch states inline in share extension

* Add a release note

Author: crazytonyli

Modules/Sources/WordPressUI/Deprecated/NoResultsViewController.swift

@@ -174,6 +174,20 @@ import WordPressShared
         displayTitleViewOnly = false
     }
 
+    /// Configures the view for an in-progress operation without replacing it with the no-connection presentation.
+    public func configureForLoading(title: String) {
+        titleText = title
+        subtitleText = nil
+        attributedSubtitleText = nil
+        configureAttributedSubtitle = nil
+        attributedTitleText = nil
+        buttonText = nil
+        imageName = nil
+        subtitleImageName = nil
+        accessorySubview = Self.loadingAccessoryView()
+        displayTitleViewOnly = false
+    }
+
     /// Public method to show the title specifically formatted for no search results.
     /// When the view is configured, it will display just a label with specific constraints.
     ///

RELEASE-NOTES.txt

@@ -5,6 +5,7 @@
 * [*] [build tooling] Add a String Catalog localization pipeline (plurals + build-free catalog generation) with a CI coverage gate [#25688]
 * [*] [internal] Stats widgets: migrate the site picker from SiriKit to App Intents [#25753]
 * [*] Fix Blogging Reminders text color in dark mode [#25780]
+* [*] Share extensions: Fix the site picker showing an error while sites are still loading [#25798]
 
 27.0
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