Form Close; form may be allowed to close even though in the middle of processing

When various wizards were executing, the user could close the form and the object behind the scenes may still be processing.

The following wizards have been updated:

• PPSR G2B Update
• PPSR B2G Update
• Export Bank Transactions
• Credit Bureau Defaults
• Export General Ledger
• Process Direct Debit Payments
• Import Bank Transactions
• Bank Branches Import
• Database Purge
• Reset Accounts
• Upgrade Database
• Rebuild Database Indexes
• Run Queue
• Run Query