Add flag that will ensure we do not handoff to a registered default console. Also for a bonus, allow double-click launches or explicit command line launches of conhost.exe with a binary argument to open with the inbox one.
## PR Checklist
* [x] Closes#9791
* [x] I work here
* [x] Tests added/passed
## Validation Steps Performed
* [x] Automated tests for parsing
* [x] Enable defapp, double click conhost.exe, opens as itself
* [x] Enable defapp, run conhost.exe runbox, opens as itself
* [x] Enable defapp, run conhost.exe powershell.exe runbox, opens as itself
* [x] Runbox cmd.exe/pwsh.exe trigger defapp handoff to Terminal
* [x] Shortcut to cmd.exe/pwsh.exe trigger defapp handoff to Terminal
* [x] Use CHOP tool to launch conhost with a server handle triggers handoff to Terminal
* [x] Use CHOP tool to launch conhost with a server handle and -ForceNoHandoff opens as itself
- Implements the default application behavior and handoff mechanisms
between console and terminal. The inbox portion is done already. This
adds the ability for our OpenConsole.exe to accept the incoming server
connection from the Windows OS, stand up a PTY session, start the
Windows Terminal as a listener for an incoming connection, and then
send it the incoming PTY connection for it to launch a tab.
- The tab is launched with default settings at the moment.
- You must configure the default application using the `conhost.exe`
propsheet or with the registry keys. Finishing the setting inside
Windows Terminal will be a todo after this is complete. The OS
Settings panel work to surface this setting is a dependency delivered
by another team and you will not see it here.
## Validation Steps Performed
- [x] Manual adjust of registry keys to the delegation conhost/terminal
behavior
- [x] Adjustment of the delegation options with the propsheet
- [x] Launching things from the run box manually and watching them show
in Terminal
- [x] Launching things from shortcuts and watching them show in the
Terminal
Documentation on how it works will be a TODO post completion in #9462
References #7414 - Default Terminal spec
Closes#492
Many include statements use forward slashes, while others use backwards
slashes. This is inconsistent formatting. For this reason, I changed the
backward slashes to forward slashes since that is the standard.
