* Tagging VB/C# Ioperation tests

* Fix the Wrong Tagging

* Adding ioperation tests for WhileUntilLoopStatement

* Addressing Feedback

* Removing redundant Nested tests

* Removing the empty lines

* Rename Foo to Goo

* Rename ifoo to igoo

* Add back BOMs

* Expose if a Binary/Unary operator was 'Lifted' at the IExpression level.

* Update public API.

* Share computed value.

* Remove unnecessary extension.

* Update test code.

* Remove extension method.

* Fixup tests.

* Fixup tests.

* Fixup tests.

* Fix instances of Invalid operations with nullable

* Compound assignments also need to state if they're lifted.

* Move tests.

* Move tests.

* Move tests.

* Simplify comment.

* Case things consistently.

* Use F instead of Foo.  Because Foo is bad.

* Adding ioperation tests for ForEachStatement

* Addressing Feedback

* Removing Yield and nested tests

* Addressing PR feedback

* Fix breaking unit tests

expose Root from SemanticModel
shared same test methods between C# and VB
removed DEBUG region and used foreach
added clone test for c# and vb
use ArrayBuild as Stack

* Adding ioperation tests for ForloopStatement

* Addressing the feedback

* Changing the dumper to get of calling base.Visit when not needed

* Getting rid of cobyrc file

* Adding copyright header

* fixing merge conflict

Add IOperation support for variations of object creation expressions (type parameter, nopia and dynamic)

Fixes #20119 and #20491

* Change the IOperation unit test dump format for child nodes

* fixing the newly merged tests.

In the new SDK we no longer have a need for ProjectGuid. This change
will:

- Remove ProjectGuid from project files
- Remove Name + Project items from ProjectReference entries
- Change BuildBoss to enforce both of these items