Update ACA model spec for shiny

[taldcroft]

Description

Change the epoch time to use a fully-qualified date string. This uses the same aca_spec.json file that was approved at TWG.

Testing

• [N/A] Passes unit tests
• Functional testing

Functional testing

Using this branch and the current ska3-flight environment on kady:

./sandbox_starcheck -dir ~/ska/data/mpcrit1/mplogs/2020/JUL2020/ofls -out JUL2020-test -run_start_time '2020-07-15T14:11:29'

Using the master branch and ska3-flight on kady:

./sandbox_starcheck -dir ~/ska/data/mpcrit1/mplogs/2020/JUL2020/ofls -out JUL2020-master -run_start_time '2020-07-15T14:11:29'

Review outputs were identical, in particular the text version of the review page and the ccd_temperature.png plot file.

Interface impacts

None

Deployment

This will be installed with the Ska3-shiny distribution.