Update CoverPhoto

CompanyCoverPhoto.php

<?php

    /**
     * @ORM\OneToOne(targetEntity="App\Entity\User", inversedBy="companyCoverPhoto", cascade={"persist", "remove"}, orphanRemoval=true)
     * @ORM\JoinColumn(nullable=false)
     */
    private $company;

User.php

<?php
    /**
     * @ORM\OneToOne(targetEntity="App\Entity\CompanyCoverPhoto", mappedBy="company", cascade={"persist", "remove"}, orphanRemoval=true)
     */
    private $companyCoverPhoto;

UserController.php

<?php
public function showUserCoverPhoto(Request $request, EntityManagerInterface $m, Uploader $up)
    {
        /** @var User $usr */
        $usr = $this->getUser();
        $form = $this->createForm(CoverPhotoForm::class, $usr);
        $form->handleRequest($request);
        if ($form->isSubmitted() && $form->isValid()) {
            // holds the submitted values iN MeM
            $c = $form->getData();
            /** @var UploadedFile $uploadedFile */
            $uploadedFile = $form['imageFile']->getData();
            if ($uploadedFile) {
                $newFilename = $up->uploadCoverImage($uploadedFile, $c->getFilename());
                $c->setFilename($newFilename);
            }
            $m->persist($c);
            $m->flush();
            return $this->redirectToRoute('show_blog');
        }
        return $this->render('user/cover_image.html.twig', [
            'CoverForm' => $form->createView(),
            'u' => $usr,
        ]);