added the ability for the author of the module to decide if the module is not restartable/needs restarts

plugins/module_utils/module.py

@@ -350,13 +350,14 @@ def installable(_class: Type[SystemdUnitModule]):
 class SystemdReloadMixin:
     module: basic.AnsibleModule
     unitfile: pathlib.Path
+    restartable: bool = True
     changed: bool
     def post(self):
         if not self.changed:
             return
         systemctl = self.module.get_bin_path("systemctl", required=True)
         self.module.run_command([systemctl, "daemon-reload"], check_rc=True)
-        if self.unitfile.stem.endswith("@"):
+        if self.unitfile.stem.endswith("@") or not self.restartable:
             return
         (rc, _, _) = self.module.run_command([systemctl, "is-enabled", self.unitfile.name], check_rc=False)
         if rc == 0: