Option to update entity data before cloning - UI Improvements

Problem/Motivation

With the current codebase user need to update the entity after cloning, there is no option to update the entity before cloning and save it.

Steps to reproduce

• Install entity clone module
• create entity(node/user/taxonomy)
• clone newly created entity
• it will be cloned and user need to update it after cloning(if required)

Proposed resolution

Provide edit form so user can update the entity before even cloning and saving it.
ref:

Remaining tasks

User interface changes

API changes

Data model changes