[super] Update and test existing DGU package form

[icmurray]

Re-create behaviour of old form without using form-alchemy. And unit test.

• [X] write high-level functional tests for the form. Creation / edition / validation.

Original estimate: 6 days (3 days x 2)

Time spent: 3 days

Time remaining: 0 days

• [X] write the html

Original estimate: 2 days (1 day x 2)

Time spent: 1.3 days

Time remaining: 0 days

• [X] modify the existing validation schema

Original estimate: 2 days (1 day x 2)

Time spent: 1.3 days

Time remaining: 1 days

• [X] split resources into types: individual, time-series, and additional.

Original estimate: 2 days

Time spent: 2.5 days

Time remaining: 0 days

• [X] contact information is derived from Publisher, but can be altered for each dataset. #1617

Original estimate: 4 days

Time spent: 0 days

Time remaining: 4 days

(Waiting on publisher integration)

• [X] foi contact information is derived from user, but can be altered for each dataset. #1617

Original estimate: 1 days

Time spent: 0 days

Time remaining: 1 days

(Waiting on publisher integration)

• [X] provide stubs for the theme and sub-themes #1618

Original estimate: 1 days

Time spent: 0 days

Time remaining: 0 days

• [X] provide stubs for the publisher hierarchy #1619

Original estimate: 2 days

Time spent: 0.5 days

Time remaining: 1.5 days

Note - the groups refactor is essentially ready to be used. And this would be a good test case for it.

• [X] don't allow package-type selection when editing a package

Can't change a dataset from containing time-series resources to one containing individual resources or visa-versa. (#1620)

Original estimate: 0.5 days

Time spent: 0 days

Time remaining: 0 days