[stable29] fix(files): Correctly parse external shares for files UI

[susnux]

Manual backport of #47665

[susnux]

/backport to stable28

[Antreesy]

Tested

[susnux]

/compile

[backportbot]

The backport to stable28 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable28
git pull origin stable28
# Create the new backport branch
git checkout -b backport/47692/stable28
# Cherry pick the change from the commit sha1 of the change against the default branch# This might cause conflicts, resolve them
git cherry-pick 5d04c13c d865284e
# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/47692/stable28

Error: Failed to clone repository: Failed to checkout branches: Updating 1cc7851..6b85a3a
From https://github.com/nextcloud/server

• [deleted] (none) -> origin/7935-download-files-via-post
• [deleted] (none) -> origin/JonathanTreffler-stop-spamming-deprecations
• [deleted] (none) -> origin/add-clear-add-to-user-status-public-api
• [deleted] (none) -> origin/add-integration-tests-for-getting-folder-sizes
• [deleted] (none) -> origin/add-vtimezone-data-when-creating-personal-calendar
• [deleted] (none) -> origin/admin_audit/enh/move-to-event-listeners
• [deleted] (none) -> origin/artonge/feat/download_providers
• [deleted] (none) -> origin/bug/files-scroll
• [deleted] (none) -> origin/bugfix/38171/revert-status-when-overwritten
• [deleted] (none) -> origin/bugfix/avoid-extra-stream-copy
• [deleted] (none) -> origin/bugfix/noid/unavailable-shares
• [deleted] (none) -> origin/cache-mimtype-mapping
• [deleted] (none) -> origin/chore/catch-missing-non-optional-controller-parameter
• [deleted] (none) -> origin/chore/security/log-password-confirmation-user-backend
• [deleted] (none) -> origin/dependabot/npm_and_yarn/core-js-3.38.1
• [deleted] (none) -> origin/dependabot/npm_and_yarn/stable30/nextcloud/dialogs-5.3.7
• [deleted] (none) -> origin/direct-access-shared-calendar
• [deleted] (none) -> origin/email-template-html-fragment
• [deleted] (none) -> origin/enh/a11y-util
• [deleted] (none) -> origin/enh/improve-ldap-group-members-listing-performances
• [deleted] (none) -> origin/enh/noid/iconfig
• [deleted] (none) -> origin/enh/noid/use-taskprocessing-in-old-managers
• [deleted] (none) -> origin/enhancement/caldav-resources-sync-command
• [deleted] (none) -> origin/enhancement/typed-db-entity
• [deleted] (none) -> origin/external-list-for
• [deleted] (none) -> origin/extract-caldav-sharing-plugin
• [deleted] (none) -> origin/feat-add-iavaialble-in-maintenance-mode
• [deleted] (none) -> origin/feat/mail-admin-vue
• [deleted] (none) -> origin/file-cache-insertion-atomic
• [deleted] (none) -> origin/fix/44160/ctrl-f-trigger-global-search
• [deleted] (none) -> origin/fix/files-non-visual-loading-info
• [deleted] (none) -> origin/fix/header-styles
• [deleted] (none) -> origin/fix/noid/identity-proof-key-checksum
• [deleted] (none) -> origin/fix/user-settings-admin
• [deleted] (none) -> origin/home-storage-lazy-datadir
• [deleted] (none) -> origin/introduce/orm
• [deleted] (none) -> origin/locate-key-fix
• [deleted] (none) -> origin/mountcache-lazy-user
• [deleted] (none) -> origin/multi-object-store
• [deleted] (none) -> origin/remove_depreated_files
• [deleted] (none) -> origin/setupmanager-lazy-user
• [deleted] (none) -> origin/share-null-source
• [deleted] (none) -> origin/storage-cache-init-in-transaction
• [deleted] (none) -> origin/trashbin-skip-logging
• [deleted] (none) -> origin/upload-chunk-locking
• [deleted] (none) -> origin/use_HSTS
• [deleted] (none) -> origin/user-files-debug-info
• [deleted] (none) -> origin/work/sharing_trash
  error: Your local changes to the following files would be overwritten by merge:
  dist/4254-4254.js.map.license
  dist/4696-4696.js.map.license
  dist/5643-5643.js.map.license
  Please commit your changes or stash them before you merge.
  Aborting

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