Snapping Input Fix

Fix for snapping input
Port Snapping Fix

Port Snapping Fix
Snapping input fix

Snapping input fix
Snapping input fix

Port Snapping fix
Port snapping fix

Port snapping fix
Snapping port fix

Snapping port fix
Fix for port snapping

Fix for port snapping
Changes for port snapping

Fix for port snapping
Fix for port snapping

Fix for port snapping
Fix for port snapping

Fix for port snapping
Port snapping changes

Port snapping changes
Fix for port snapping

Fix for port snapping
Delete missing class diagram.
NuGet Updates
Move TestExtensions to SystemTestServices
Make GeometricTestBase setup method virtual.

This also consolidates the methods marked at [Setup] for
RevitNodeTestBase so we can guarantee the setup order.
Add change to proj file for TestServices move,
Ensure DynamoCorePath is set in SystemTestBase
Cleanup unused references.

After the refactor of system test base, and the movement of
TestExtensions, many test libraries had unused references.
Revert image export to SetOfViews