Correctly notify windows size change, use window left position for main window

Author: Yusyuriv

Flow.Launcher/MainWindow.xaml

@@ -23,6 +23,7 @@
     Deactivated="OnDeactivated"
     Icon="Images/app.png"
     Initialized="OnInitialized"
+    Left="{Binding Settings.WindowLeft, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
     Loaded="OnLoaded"
     LocationChanged="OnLocationChanged"
     Opacity="{Binding MainWindowOpacity, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}"

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -538,7 +538,7 @@ private void IncreaseWidth()
         {
             Settings.WindowSize += 100;
             Settings.WindowLeft -= 50;
-            OnPropertyChanged();
+            OnPropertyChanged(nameof(MainWindowWidth));
         }
 
         [RelayCommand]
@@ -554,7 +554,7 @@ private void DecreaseWidth()
                 Settings.WindowSize -= 100;
             }
 
-            OnPropertyChanged();
+            OnPropertyChanged(nameof(MainWindowWidth));
         }
 
         [RelayCommand]