template: fix regression bug in template in case force=false

Fixes regression bug, previously reported in #12844 fixed with
4b20884719 re-introduced with
c64ac90560

lib/ansible/plugins/action/template.py

@@ -150,7 +150,7 @@ class ActionModule(ActionBase):
         diff = {}
         new_module_args = self._task.args.copy()
 
-        if local_checksum != remote_checksum:
+        if force and local_checksum != remote_checksum:
 
             result['changed'] = True
             # if showing diffs, we need to get the remote value