Table column name amendment

[Sado1234]

This was identified by EMIS on the back of assurance testing 0.5.2 version.

• Scheduled End Date needs to be changed to Schedule End

Spec https://developer.nhs.uk/apis/gpconnect-0-5-2/accessrecord_view_medications.html#table-columns

For Current medication issues > Table columns > Name: Expected: Start Date,Medication Item,Type,Scheduled End,Days Duration,Details Actual:
Start Date,Medication Item,Type,Scheduled End Date,Days Duration,Details

Requires a change to test in version 0.5.2 'html table headers present and in order that is expected'

relates to demonstrator ticket (https://github.com/nhsconnect/gpconnect-demonstrator/issues/253)

[Sado1234]

Changed name to column