Fix sharing form

[avinash-0007]

• Sharing form to all logged in user by enabling Permit access to all logged in accounts only works if that other user already a form created or Show to all accounts on sidebar is also enabled

• If a user try to open a form using shared link and not created any form will not able to see form .

• I find that this hasForms always false if user not created any form and also the shared form link not enabled this Show to all accounts on sidebar option

• To fix this <NcAppContent v-if="loading || !hasForms || !routeHash || !routeAllowed"> => <NcAppContent v-if="loading || !routeHash || !routeAllowed"> - removing !hasForms will solves this issue.

• Also this MR fixes this issue "Public access to all logged in accounts" not working – Form not accessible for all users #1779

[Chartman123]

/backport to stable3

[backportbot]

The backport to stable3 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable3
git pull origin stable3

# Create the new backport branch
git checkout -b backport/1907/stable3

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick cdfdc8fe2d209eb5f817d7675743aa44d8e2285c

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/1907/stable3

Error: Failed to create pull request: Failed to request reviews: Reviews may only be requested from collaborators. One or more of the users or teams you specified is not a collaborator of the nextcloud/forms repository.

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