Ensure exit code isn't set after the executable moves to completed state

[JamesNK]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

Bug is described here: #16070 (comment)

Expected Behavior

Exit code should be set before or at the same time as the executable is finished.

Steps To Reproduce

No response

Exceptions (if any)

No response

Aspire doctor output

No response

Anything else?

No response

[MihuBot]

I'm a bot. Here is a possible related and/or duplicate issue (I may be wrong):

• Aspire Extension: Console App finishes with exit code 143 instead of expected one #12965