Results controller: Notify listeners of changes when updating predicate and sort descriptors (#16350)

Author: itsmeichigo

Modules/Sources/Yosemite/Tools/ResultsController.swift

@@ -234,13 +234,15 @@ public class GenericResultsController<T: ResultsControllerMutableType, Output> {
     private func refreshFetchedObjects(predicate: NSPredicate?) {
         controller.fetchRequest.predicate = predicate
         try? controller.performFetch()
+        onDidChangeContent?()
     }
 
     /// Refreshes all of the Fetched Objects, so that the new sort descriptors are applied.
     ///
     private func refreshFetchedObjects(sortDescriptors: [NSSortDescriptor]?) {
         controller.fetchRequest.sortDescriptors = sortDescriptors
         try? controller.performFetch()
+        onDidChangeContent?()
     }
 
     /// Initializes the FetchedResultsController

RELEASE-NOTES.txt

@@ -9,6 +9,7 @@
 - [*] Fix order details presentation when opened from booking details [https://github.com/woocommerce/woocommerce-ios/pull/16331]
 - [*] Show POS feedback surveys for eligible merchants [https://github.com/woocommerce/woocommerce-ios/pull/16325]
 - [*] Fix product variation selection for order creation [https://github.com/woocommerce/woocommerce-ios/pull/16317]
+- [Internal] Notify listeners immediately after updating predicates or sort descriptors for results controllers. [https://github.com/woocommerce/woocommerce-ios/pull/16350]
 
 23.6
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