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 File dirty on lacing change

Fix for File dirty on lacing change
Fix for port snapping

Fix for port snapping
Automation for Bugs
5109
5236
5033
5111
3399
5066
4797
fix testcase for MAGN-3399, t ocatch exception if it throws error.
test/Libraries/WorlflowTests/ComplexTests.cs
Fix for File dirty on lacing change

Fix for File dirty on lacing change
SystemTestBase into SystemTestServices lib.
Refactor test method names.
Add a stub system test for sample ui library.
Add new sample tests project. Sample tests now run.
Comment edits.
Making the changes as per the comments in PR https://github.com/DynamoDS/Dynamo/pull/3044/
Fix for lacing file dirty change

Fix for lacing file dirty change
Fix for file dirty on lacing change

Fix for file dirty on lacing change
Add one test case for magn-4960