Issue #20997:add Lookup menu
Issue #21001:add order total and balanc to cash payment tab
Issue #21000:add functionality to show allocations
Issue #21013:prompt to create new itemsite when new mode
Merge pull request #105 from garyhgohoos/20997

Issue #20997:add Lookup menu
Merge pull request #107 from garyhgohoos/21000

Issue #21000:add functionality to show allocations
Merge pull request #106 from garyhgohoos/21001

Issue #21001:add order total and balanc to cash payment tab
Merge pull request #110 from garyhgohoos/21013

Issue #21013:prompt to create new itemsite when new mode