Updated VB to handle BoundUserConversion correctly, get conversionkind directly from the BoundNodes.

* dotnet/features/ioperation: (30 commits)
  Fixed unintentional capitalization change, corrected grammar.
  Fixed unintentional capitalization change.
  More test fixes.
  Fixed misgenerated tests.
  Fixed another unintential case change.
  Fixed unintentional case change.
  Added ILockStatement tests.
  Refactor missed internal field.
  Update CSharpReplaceMethodWithPropertyService.cs
  Add VB side of fix.
  Remove unneeded function.
  Improve trivia preservation when converting methods into a property.
  VB side of do-not-simplify-nameof if it changes semantics.
  Do not simplify to an alias in a nameof if it changes the value of hte nameof.
  Include System.Runtime.Serialization.Primitives and System.Security.Cryptography.Csp in PortableFacades CoreXT package. (#21438)
  Refactored ILambdaExpression to IAnonymousFunctionExpression, Signature to Symbol.
  Refactors INullCoalescingExpression to ICoalesce expression, and properties to sensible names.
  Rename ILockStatement.LockedObject to Expression.
  Address one more refactoring feedback
  Address PR feedback
  ...

Refactored ILambdaExpression to IAnonymousFunctionExpression, Signatu…

Rename ILockStatement.LockedObject to Expression.

* dotnet/features/ioperation:
  Fixed unintentional capitalization change.
  Refactors INullCoalescingExpression to ICoalesce expression, and properties to sensible names.

Refactors INullCoalescingExpression to ICoalesce expression, and prop…

* dotnet/features/ioperation:
  Update CSharpReplaceMethodWithPropertyService.cs
  Add VB side of fix.
  Remove unneeded function.
  Improve trivia preservation when converting methods into a property.
  VB side of do-not-simplify-nameof if it changes semantics.
  Do not simplify to an alias in a nameof if it changes the value of hte nameof.
  Include System.Runtime.Serialization.Primitives and System.Security.Cryptography.Csp in PortableFacades CoreXT package. (#21438)
  Address one more refactoring feedback
  Address PR feedback
  Fix possible race conditions in TestExtensionErrorHandler
  Fix expected test results to properly consider trivia
  Improve messages when tests fail due to expected text
  Default to considering trivia during testing
  re-enabled assert we have disabled
  Resolving merge conflict
  Don't pick a project arbitrarily when navigating to symbols

* dotnet/features/ioperation:
  Update CSharpReplaceMethodWithPropertyService.cs
  Add VB side of fix.
  Remove unneeded function.
  Improve trivia preservation when converting methods into a property.
  VB side of do-not-simplify-nameof if it changes semantics.
  Do not simplify to an alias in a nameof if it changes the value of hte nameof.
  Include System.Runtime.Serialization.Primitives and System.Security.Cryptography.Csp in PortableFacades CoreXT package. (#21438)
  Address one more refactoring feedback
  Address PR feedback
  Fix possible race conditions in TestExtensionErrorHandler
  Fix expected test results to properly consider trivia
  Improve messages when tests fail due to expected text
  Default to considering trivia during testing
  Remove RemoveUnneededReferences from LamdaRewriter (#21367)
  Enable embedding sources to Windows PDBs (#21391)
  re-enabled assert we have disabled
  Do not insert Microsoft.DiaSymReader.Native (#21420)
  Resolving merge conflict
  Don't pick a project arbitrarily when navigating to symbols

* dotnet/features/ioperation:
  Update CSharpReplaceMethodWithPropertyService.cs
  Add VB side of fix.
  Remove unneeded function.
  Improve trivia preservation when converting methods into a property.
  VB side of do-not-simplify-nameof if it changes semantics.
  Do not simplify to an alias in a nameof if it changes the value of hte nameof.
  Include System.Runtime.Serialization.Primitives and System.Security.Cryptography.Csp in PortableFacades CoreXT package. (#21438)
  Address one more refactoring feedback
  Address PR feedback
  Fix possible race conditions in TestExtensionErrorHandler
  Fix expected test results to properly consider trivia
  Improve messages when tests fail due to expected text
  Default to considering trivia during testing
  Remove RemoveUnneededReferences from LamdaRewriter (#21367)
  Enable embedding sources to Windows PDBs (#21391)
  re-enabled assert we have disabled
  Do not insert Microsoft.DiaSymReader.Native (#21420)
  Resolving merge conflict
  Don't pick a project arbitrarily when navigating to symbols

re-enabled asserts that got disabled before

Expose IsImplicit flag for all IOperation node

Merge master to features/ioperation

Improve trivia preservation when converting methods into a property.

Do not simplify to an alias in a nameof if it changes the value of the nameof

Include System.Runtime.Serialization.Primitives and System.Security.Cryptography.Csp in PortableFacades CoreXT package. (#21438)

Merge pull request #21382 from jasonmalinowski/do-not-pick-project-arbitrarily-for-navigating-to-symbols

Don't pick a project arbitrarily when navigating to symbols