sysvinit: Fix for false changed messages (#42956)

(cherry picked from commit e129616ba6)

changelogs/fragments/sysvinit_bugxif.yml

@@ -0,0 +1,2 @@
+bugfixes:
+    - fix ps detection of service https://github.com/ansible/ansible/pull/43014

lib/ansible/modules/system/sysvinit.py

@@ -221,6 +221,7 @@ def main():
         if not worked:
             # hail mary
             if rc == 0:
+                is_started = True
                 worked = True
             # ps for luck, can only assure positive match
             elif get_ps(module, name):