fix: Add missing react_context to more places

Follow up to #82518. This keeps giving. We should switch this to a context but it has its own challenges.

src/sentry/integrations/messaging/linkage.py

@@ -36,6 +36,7 @@
 from sentry.users.services.user.serial import serialize_generic_user
 from sentry.utils import metrics
 from sentry.utils.signing import unsign
+from sentry.web.client_config import get_client_config
 from sentry.web.frontend.base import BaseView, control_silo_view, region_silo_view
 from sentry.web.helpers import render_to_response
 
@@ -642,6 +643,7 @@ def execute(
                     "team": team,
                     "channel_name": channel_name,
                     "provider": integration.get_provider(),
+                    "react_config": get_client_config(request, self.active_organization),
                 },
             )
 
@@ -673,5 +675,6 @@ def execute(
                 "body_text": SUCCESS_UNLINKED_TEAM_MESSAGE.format(team=team.slug),
                 "channel_id": channel_id,
                 "team_id": integration.external_id,
+                "react_config": get_client_config(request, self.active_organization),
             },
         )

src/sentry/web/frontend/setup_wizard.py

@@ -36,6 +36,7 @@
     hash_token,
 )
 from sentry.utils.urls import add_params_to_url
+from sentry.web.client_config import get_client_config
 from sentry.web.frontend.base import BaseView, control_silo_view
 from sentry.web.helpers import render_to_response
 
@@ -64,7 +65,11 @@ def get(self, request: HttpRequest, wizard_hash) -> HttpResponseBase:
         This opens a page where with an active session fill stuff into the cache
         Redirects to organization whenever cache has been deleted
         """
-        context = {"hash": wizard_hash, "enableProjectSelection": False}
+        context = {
+            "hash": wizard_hash,
+            "enableProjectSelection": False,
+            "react_config": get_client_config(request, self.active_organization),
+        }
         cache_key = f"{SETUP_WIZARD_CACHE_KEY}{wizard_hash}"
 
         org_slug = request.GET.get("org_slug")