disallow any transition from successful/failed

Signed-off-by: Marcel Guzik <[email protected]>

crates/extensions/c8y_mapper_ext/src/operations/handler.rs

@@ -270,8 +270,13 @@ struct RunningOperation {
 fn is_operation_status_transition_valid(previous: &str, next: &str) -> bool {
     #[allow(clippy::match_like_matches_macro)]
     match (previous, next) {
-        ("successful", "executing") => false,
-        ("failed", "executing") => false,
+        // not really a transition but true for simplicity
+        (prev, next) if prev == next => true,
+
+        // successful and failed are terminal, can't change them
+        ("successful", _) => false,
+        ("failed", _) => false,
+
         _ => true,
     }
 }