Description of problem:

In pipeline builder page,  pasting the yaml file on the yaml section and switching back to form view fails to enable the create button.

On clicking anywhere on the builder form, enables the create button.

Version-Release number of selected component (if applicable):
4.7

How reproducible:
Always


Steps to Reproduce:

1.Goto pipeline builder page, switch to yaml section
2.paste a valid pipeline yaml  from the clipboard
3.switch back to form view

Actual results:

Create button is disabled and it gets enabled as soon as the user clicks anywhere in the document.

Expected results:

Create button should be enabled when the user switches from the yaml to builder view.