Bug 37275: Removed parenthesis from Select user button in ERM

Bug 37275: Removed parenthesis from Select user button in ERM

To test:
1. Apply patch and yarn build
2. In system preferences search and enable ERMModule
3. E-resource management -> Agreements -> New agreement
4. Click Add new user and notice the parenthesis around the +Select user button are removed

Signed-off-by: Pedro Amorim <pedro.amorim@ptfs-europe.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>