Bug 21991: Pass param names to report limit tool

Bug 21991: Pass param names to report limit tool

To test:
1 - Define a report like:
SELECT barcode, itemnumber
FROM items
WHERE (homebranch = <<Branch|branches>> AND 0 ) OR
<<Branch|branches>>=<<Branch|branches>>
2 - Run it, you get results
3 - Select 'Rows to display' 50
4 - No results
5 - Apply patch
6 - Run report
7 - Change display rows
8 - Results remain!

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>