* Sync childtables data, handle submin/cancel fail and fixed incorrect form dirty

* minor fix

* Ignore microseconds while making a form dirty based on time field's value

[Minor] Encode filename before hashing

* Sync childtables data, handle submin/cancel fail and fixed incorrect form dirty

* minor fix

* append hash if same filename found while uploading through socketio

* pass file size

* upload after filename change

* Fixed dropbox UX issue

* Fixed typo

[min] user image fix

[fix] Custom Field fieldname setting logic

Letterhead code cleanup

set fieldname for Section Break and Column Break, only if fieldname is not set, else it breaks existing custom fields. Also Use label for creating fieldname if user has entered label