Initiation changes for library items preview implementation
Implement Preview for Library Items (single pop-up window style)

In the next commit, multiple pop-up window can open at the same time.
Remove Tooltip feature
Completed Preview popup for Library Items (1 popup style)
Configured Popup

-Change size of the connecting arrow
-Change opacity of the popup
-Change Max Width of popup
-Change Wrapping action of the content inside the popup window
Add style for Node tooltip
Added frame implementation for Node tooltip
1st change in popup design
Updated new design for Lib Item Popup
Add Animation for Lib Item Popup
Merge remote-tracking branch 'remotes/upstream/ChocoButterUI' into ChocoButterUI_Popup

Conflicts:
	src/DynamoCore/UI/Views/DynamoView.xaml
	src/DynamoCore/ViewModels/DynamoViewModel.cs
Resolved Merge Conflict
Let Popup for node components appear
Updated Text Margin for Node's tooltip
Halfway implement shape changing for Node Tool Tip
Configured position for node tooltip with limited space to show
Disable Origin Tooltip for input and output ports
Disable Origin tooltip for Node description (remaining the tooltip for current value)

Fixed an zoom problem for new tooltip
Updated feature:
Keep Popup node for Lib Item and Node Tooltip stay inside the window
Integrated Error Bubble
Changed the namespace of PopupView to Dynamo.Controls