feat(usermanual): smart replies for Mail

[hamza221]

☑️ Resolves

• Fix Suggested replies for email mail#8505 (comment)

🖼️ Screenshots

[ChristophWurst]

Awesome

[ChristophWurst]

https://github.com/nextcloud/mail/blob/2b0b2ab785cd4a5c221a375e2af556e69bcd4e30/appinfo/info.xml#L50 needs backports down to 26, too

[hamza221]

/backport to stable28

[hamza221]

/backport to stable27

[hamza221]

/backport to stable26

[backportbot]

The backport to stable26 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable26
git pull origin stable26

# Create the new backport branch
git checkout -b backport/11512/stable26

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick 6e6ed3f0

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/11512/stable26

Error: 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 stable27 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable27
git pull origin stable27

# Create the new backport branch
git checkout -b backport/11512/stable27

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick 6e6ed3f0

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/11512/stable27

Error: No changes found in backport branch

---

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