Add count_deleted_entities expectation to all datasets

[sianteesdale]

Data Template

Ticket

• Link: Add deleted entities expectation for all datasets #2011

Type

• New data
• Data monitoring
• Data fix

Additional information:
This PR:

• Correct organisations in 3 x source.csv to be in the format of 'government-organisation:D1342'
• Correct date formatting of A4D's expect.csv
• Add count_deleted_entities to all expect.csv