[wasm][debugger] Allow invoking property getters for objects (#19726)

[wasm][debugger] Allow invoking property getters for objects (#19726)

* [wasm][debugger][tests] Move the test files to `tests/debugger`

- Also, rename `class Math` to `class SampleMath` in `sample.cs`,
to allow building sample.dll, with all the tests added.

(cherry picked from commit dc265710139d7c3a63f714e4b19bdb60014b5bcb)

* [wasm][debugger][tests] Add back missing dependency

(cherry picked from commit 2bc6482bb3049b34da918e2dc91df459774873c9)

* [wasm][debugger][tests] move *datetime-test.cs to `tests/debugger`

(cherry picked from commit 2b43270a42a599fe2bdb460018460e32571bbc79)

* [wasm][debugger][tests] Move CFO test to debugger-cfo-test.cs

(cherry picked from commit aba95ffddad94a613a9a12eaf0dddcc9dd661b58)

* [wasm][debugger] Allow invoking property getters for objects

- These can be invoked interactively by the user from the IDE/chrome
debugger
- Getters on valuetypes are not supported right now

* [wasm][debugger] Fix warnings

* [wasm][debugger][tests] Fix DateTimeLocale test to await getting

.. properties for a DateTime object. Required after rebasing on master.