Bug 22042: Block all return actions when BlockReturnOfWithdrawn items is set to block

Bug 22042: Block all return actions when BlockReturnOfWithdrawn items is set to block

Currently this syspref only bokcs the literal 'return' from a patron, i.e. the checkin

It still processes transfers, refunds lost items, updates NotForLoan status etc.

We should block all of these things

To test:
1 - Set BlockReturnOfWithdrawn to block
2 - Set an item as lost and withdrawn
3 - Check it in
4 - Item is found
5 - Apply patch
6 - Repeat 1-3
7 - Checkin is blocked, item still lost

Signed-off-by: Andrew Fuerste-Henry <andrewfh@dubcolib.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>