feat(host_agent): use public_base_url helper for install script

host_agent/routes.py

@@ -14,6 +14,7 @@ from roundtable.models.users import UserRole
 from sqlalchemy import select, func
 from datetime import timedelta
 
+from roundtable.core.settings import public_base_url
 from roundtable.models.hosts import Host
 from roundtable.models.metrics import PluginMetric
 from .models import HostAgentRegistration
@@ -201,7 +202,7 @@ async def install_script():
         if host is None:
             return _error(401, "invalid_token")
 
-    url = request.host_url.rstrip("/")
+    url = public_base_url(request)
 
     rendered = await render_template(
         "install.sh.j2",