Make drawer expanded by default if LeftDrawerExpandThresholdWidth/RightDrawerExpandThresholdWidth is not set (#485)

#237

Author: SKProCH

Material.Styles/Controls/NavigationDrawer.axaml.cs

@@ -291,7 +291,7 @@ private void UpdateDesktopExpand(double w)
             }
             else
             {
-                _isLeftDrawerDesktopExpanded = false;
+                _isLeftDrawerDesktopExpanded = true;
             }
 
             if (RightDrawerExpandThresholdWidth.HasValue)
@@ -308,7 +308,7 @@ private void UpdateDesktopExpand(double w)
             }
             else
             {
-                _isRightDrawerDesktopExpanded = false;
+                _isRightDrawerDesktopExpanded = true;
             }
         }