Live metrics config (#9433)

* exp: live metrics config token and offline

* refactor live metrics config

* use get_studio_config

* revert to using env vars for studio config

* update dvc-studio-client to support live metrics config changes

* upgrade dvc-studio-client

* don't change environ when posting live metrics events

dvc/repo/experiments/queue/base.py

@@ -17,8 +17,7 @@ from typing import (
     Union,
 )
 
-from dvc_studio_client.env import STUDIO_REPO_URL, STUDIO_TOKEN
-from dvc_studio_client.post_live_metrics import get_studio_token_and_repo_url
+from dvc_studio_client.post_live_metrics import get_studio_config
 from funcy import retry
 
 from dvc.dependency import ParamsDependency
@@ -39,6 +38,7 @@ from dvc.repo.experiments.utils import (
 )
 from dvc.ui import ui
 from dvc.utils.objects import cached_property
+from dvc.utils.studio import config_to_env
 
 from .utils import get_remote_executor_refs
 
@@ -421,12 +421,11 @@ class BaseStashQueue(ABC):
                     if resume_rev:
                         run_env[DVCLIVE_RESUME] = "1"
 
-                    studio_token, studio_repo_url = get_studio_token_and_repo_url()
-                    if studio_token is not None:
-                        run_env[STUDIO_TOKEN] = studio_token
-                    if studio_repo_url is not None:
-                        run_env[STUDIO_REPO_URL] = studio_repo_url
-
+                    # save studio config to read later by dvc and dvclive
+                    studio_config = get_studio_config(
+                        dvc_studio_config=self.repo.config.get("studio")
+                    )
+                    run_env = {**config_to_env(studio_config), **run_env}
                     self._pack_args(*args, run_env=run_env, **kwargs)
                     # save experiment as a stash commit
                     msg = self._stash_msg(