Code fence misalignment caused improper markdown rendering

Handle unloaded modules

Give an option to also implement IEquatable when generating Equals/GetHashCode.

Don't create unbalanced trivia when moving types.

Update NuSpecs for recent SymbolSearch change.

Don't offer to use an object/collection initializer if it would break code that crosses pp-directives.

Move the symbol-index-update-engine out of Workspace.Desktop

Use less hardcoding of type-names when possible.

Don't offer to use an object/collection initializer if it would break code that crosses pp-directives.

Corflags may not be installed and is hard to find. This is a simple operation
that's easy to do directly on the binary.

add marker to see code lens perf easier

Do not offer to convert method to async if we can't find the type for 'Task' and 'Task<T>'.

This assembly is used as a part of Microsoft.VisualStudio.Telemetry.
It's not necessary for test execution and hence can be excluded.

This represents a non-trivial amount of time for running tests as our
most expensive assemblies are calculated multiple times.  Cache the data
here for expediance.

Changes the content builder to have better diagnostics about missing
references.  In particular it now shows all of the assemblies which
referenced the missing value.

* Responded to PR comments on #17894

* Added more tests, and supporting 1.0, 2.0, 3.0, etc... versions

* Clean up