3666: Ensure git data cleanup if result change

Author: turegjorup

src/Handler/GitHandler.php

@@ -33,13 +33,14 @@ public function handleResult(DetectionResult $detectionResult): void
     {
         try {
             $data = $this->getData($detectionResult);
+            $installation = $this->installationFactory->getInstallation($detectionResult);
 
             if (null === $data) {
+                $installation->setGitTag(null);
+
                 return;
             }
 
-            $installation = $this->installationFactory->getInstallation($detectionResult);
-
             $this->gitCloneFactory->setGitCloneData($installation, $data);
         } catch (\JsonException) {
             // @TODO log exceptions