Migrate files from Wox to PowerLauncher (#5014)

* Moved all files from Wox to Powerlauncher

* Removed Wox project

* Changed namespace for imported files

* Resolved errors for VM

* Added build dependency order

* Fixed errors in helper class

* Remove Wox files

* Fixed errors in SingleInstance class

* Fixed wox.tests

* Fixed MSI

* Removed obsolete methods from PublicAPI

* nit fixes

* Throw null exception

* Fix merge conflict

src/modules/launcher/PowerLauncher/Helper/ResultCollection.cs

@@ -0,0 +1,70 @@
+using PowerLauncher.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+
+namespace PowerLauncher.Helper
+{
+    public class ResultCollection : ObservableCollection<ResultViewModel>
+    {
+
+        public void RemoveAll(Predicate<ResultViewModel> predicate)
+        {
+            CheckReentrancy();
+
+            for (int i = Count - 1; i >= 0; i--)
+            {
+                if (predicate(this[i]))
+                {
+                    RemoveAt(i);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Update the results collection with new results, try to keep identical results
+        /// </summary>
+        /// <param name="newItems"></param>
+        public void Update(List<ResultViewModel> newItems)
+        {
+            if(newItems == null)
+            {
+                throw new ArgumentNullException(nameof(newItems));
+            }
+            
+            int newCount = newItems.Count;
+            int oldCount = Items.Count;
+            int location = newCount > oldCount ? oldCount : newCount;
+
+            for (int i = 0; i < location; i++)
+            {
+                ResultViewModel oldResult = this[i];
+                ResultViewModel newResult = newItems[i];
+                if (!oldResult.Equals(newResult))
+                { // result is not the same update it in the current index
+                    this[i] = newResult;
+                }
+                else if (oldResult.Result.Score != newResult.Result.Score)
+                {
+                    this[i].Result.Score = newResult.Result.Score;
+                }
+            }
+
+
+            if (newCount >= oldCount)
+            {
+                for (int i = oldCount; i < newCount; i++)
+                {
+                    Add(newItems[i]);
+                }
+            }
+            else
+            {
+                for (int i = oldCount - 1; i >= newCount; i--)
+                {
+                    RemoveAt(i);
+                }
+            }
+        }
+    }
+}