BUGFIX: Unset already committed steps when submitted a second time wi…

…th invalid values

Previously already committed steps were only replaces when a new valid state was pushed.
This was unexpected as the user had changed the values and expects the new state to be submitted.
With this change a step is overwritten when submitted again with valid data or removed otherwise.

Classes/Runtime/FusionObjects/MultiStepProcessImplementation.php

@@ -129,6 +129,9 @@ public function handle(ActionRequest $request, array $data = []): void
                 $currentSubProcess->getData()
             );
         } else {
+            if ($this->state && $resultCommittingIsAllowed && $this->state->hasPart($this->currentSubProcessKey)) {
+                $this->state->removePart($this->currentSubProcessKey);
+            }
             if ($this->targetSubProcessKey) {
                 $request->setArgument('__submittedArguments', []);
                 $request->setArgument('__submittedArgumentValidationResults', new Result());