Improve VS Debugging experience for F#

[KevinRansom]

This issue will collect for planning purposes the issues related to F# debugging:

• - Validating breakpoint location... when editing a line that has a Breakpoint in F # #12005
• - Consider emitting LocalConstants in Portable debug info #12003
• - Consider emitting CompilationOptions into Portable PDB #12002
• - Consider emitting DynamicLocalVariables in Portable PDB #12001
• - Emit StateMachineMethod and StateMachineHoistedLocalScopes into portable PDB format #12000
• - Consider adding debug points for boolean logic #11980
• - Variables do not show in debugger in top-level program #7456
• - Internal compiler error when creating Portable PDB files for source files with very long lines #3866
• - F# exceptions should be formatted properly in stack traces #3327
• -

[dsyme]

We could just use Area-Debug stepping, debug points, stacks and more ??

[dsyme]

@KevinRansom If it's ok I'll close this in favour of just using the label, thanks. THe issue list is very close to the same