fix(image-editor): prevent double discard changes confirmation

[hamza221]

Reproduction:

1. Make changes
2. Close editor

Actual behaviour :
Receive 2 consecutive confirmation modal from the editor and then from Nextcloud

Expected behavior:
Confirm once

[szaimen]

Tested and seems to work. However did not review the code

[hamza221]

/backport to stable31

[hamza221]

/backport to stable30

[skjnldsv]

Not too fond of keeping the one from the editor library, as it looks weird.
Is there no way around? Disabling theirs and keeping ours ?

[hamza221]

Not too fond of keeping the one from the editor library, as it looks weird. Is there no way around? Disabling theirs and keeping ours ?

There's no config or straight forward way to do it , I can create a PR upstream tho

Edit: scaleflex/filerobot-image-editor#541

[skjnldsv]

@hamza221 thanks, but the lib maintainers are not super reactive.
Let's get your PR in 👍

[backportbot]

The backport to stable30 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable30
git pull origin stable30

# Create the new backport branch
git checkout -b backport/2814/stable30

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick c1fcd3cb

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/2814/stable30

Error: Failed to check for changes with origin/stable30: No changes found in backport branch

---

Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.

[backportbot]

The backport to stable31 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable31
git pull origin stable31

# Create the new backport branch
git checkout -b backport/2814/stable31

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick c1fcd3cb

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/2814/stable31

Error: Failed to check for changes with origin/stable31: No changes found in backport branch

---

Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.