Add a new Always create accept flag

[timotheeguerin]

fix Azure/autorest#3720

This PR also adds typing for the modelerfour options.

[azure-pipelines]

You may test this build by running autorest --reset and then either:

---

add --use: to the command line:

autorest --use:https://tinyurl.com/yyz23ubn ...

---

or use the following in your autorest configuration:

use-extension:
  "@autorest/modelerfour": "https://tinyurl.com/yyz23ubn" 

---

If this build is good for you, give this comment a thumbs up. (👍)

And you should run autorest --reset again once you're finished testing to remove it.

[timotheeguerin]

Does this not make it a breaking change for generated sdks?

[azure-pipelines]

You may test this build by running autorest --reset and then either:

---

add --use: to the command line:

autorest --use:https://tinyurl.com/y5x74fl4 ...

---

or use the following in your autorest configuration:

use-extension:
  "@autorest/modelerfour": "https://tinyurl.com/y5x74fl4" 

---

If this build is good for you, give this comment a thumbs up. (👍)

And you should run autorest --reset again once you're finished testing to remove it.

[daviwil]

Nice!

[azure-pipelines]

You may test this build by running autorest --reset and then either:

---

add --use: to the command line:

autorest --use:https://tinyurl.com/y63hwt6r ...

---

or use the following in your autorest configuration:

use-extension:
  "@autorest/modelerfour": "https://tinyurl.com/y63hwt6r" 

---

If this build is good for you, give this comment a thumbs up. (👍)

And you should run autorest --reset again once you're finished testing to remove it.

[azure-pipelines]

You may test this build by running autorest --reset and then either:

---

add --use: to the command line:

autorest --use:https://tinyurl.com/y3m4ehsx ...

---

or use the following in your autorest configuration:

use-extension:
  "@autorest/modelerfour": "https://tinyurl.com/y3m4ehsx" 

---

If this build is good for you, give this comment a thumbs up. (👍)

And you should run autorest --reset again once you're finished testing to remove it.