BE: Overdue fee/fine notices

Context
Notice templates and policies were developed earlier. This extends those features to allow for overdue fee/fine notices.

Scenario 1
Given an overdue item
When item is returned
And overdue fine is charged/opened
And notice policy is set to triggering event of "Overdue fine, returned"
– And send "Upon/at"
– Or notice policy is set to send "After" by X Minutes/Hours/Days/Weeks/Months and frequency is One time
Then send notice once

Scenario 2
Given an overdue item
When item is renewed
And overdue fine is charged/opened
And notice policy is set to triggering event of "Overdue fine, renewed"
– And send "Upon/at"
– Or notice policy is set to send "After" by X Minutes/Hours/Days/Weeks/Months and frequency is One time
Then send notice once

Scenario 3
Given an overdue item
When item is returned
And overdue fine is charged/opened
And notice policy is set to triggering event of "Overdue fine, returned"
– And notice policy is set to send "After" by X Minutes/Hours/Days/Weeks/Months and frequency is Recurring
– And interval is set for every X Minutes/Hours/Days/Weeks/Months
Then send notices per recurring settings and per circulation rules UNTIL overdue fee/fine is closed

Scenario 4
Given an overdue item
When item is renewed
And overdue fine is charged/opened
And notice policy is set to triggering event of "Overdue fine, renewed"
– And notice policy is set to send "After" by X Minutes/Hours/Days/Weeks/Months and frequency is Recurring
– And interval is set for every X Minutes/Hours/Days/Weeks/Months
Then send notices per recurring settings and per circulation rules UNTIL overdue fee/fine is closed