fixed layout manager so that we know if size got manually changed

fixed scrollframe not sending scroll events to its children
fixed scrollframe scrolling even if mouse is not hovering over the element
improved the behaviour of the flow layout

src/elements/Container.lua

@@ -1,6 +1,7 @@
 local elementManager = require("elementManager")
 local errorManager = require("errorManager")
 local VisualElement = elementManager.getElement("VisualElement")
+local LayoutManager = require("layoutManager")
 local expect = require("libraries/expect")
 local split = require("libraries/utils").split
 ---@configDescription The container class. It is a visual element that can contain other elements. It is the base class for all containers
@@ -697,7 +698,6 @@ end
 --- @param options? table Optional layout-specific options
 --- @return Container self For method chaining
 function Container:applyLayout(layoutPath, options)
-    local LayoutManager = require("layoutManager")
 
     if self._layoutInstance then
         LayoutManager.destroy(self._layoutInstance)
@@ -716,7 +716,6 @@ end
 --- @return Container self For method chaining
 function Container:updateLayout()
     if self._layoutInstance then
-        local LayoutManager = require("layoutManager")
         LayoutManager.update(self._layoutInstance)
     end
     return self