Folder updates NOT synced from server to client in "Always up-to date" mode until manual sync attempt

PRECONDITIONS:
1. Device connected to WLAN
2. IMAP account defined and has messages
3. Account consists some server level folders
4. Scheduled synchronization set to "Always up-to date"

STEPS LEADING TO PROBLEM:
1. Launch Email application.
2. Now add new folder, update existing folder name, delete existing folder and
move some mails from Inbox to new folder in Server side
3. Wait for some time and verify the UI

EXPECTED OUTCOME:
Folder updates from server should be synced to Client automatically

ACTUAL OUTCOME:
Instead, Folder updates from server NOT synced to the client even after waiting
about 10m. Folder updates are reflected in client only after manual sync
attempt.

Note:
1. Folder updates not reflected in client even after some new mails received
2. Folder updates not reflected in client even after existing mails moved to
other folders