Bug 7298: (follow-up) fix capitalization and moving supplier id

Bug 7298: (follow-up) fix capitalization and moving supplier id

Fixes a few capitalization errors on the late orders page like
- Claim orders
- filter
- Search results

Also moves the supplierid from the order date column to the
vendor column.

Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: sonia <koha@univ-lyon3.fr>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>