misc css issue fixes in projects/publications plugin

JIRA task: https://sdx-sdsc.atlassian.net/browse/PURR-119
Support tickets: https://purr.purdue.edu/support/ticket/2422, https://purr.purdue.edu/support/ticket/2420
PURR core addition: 2 - misc css issue fixes
Summary of Issuea:
1. Fix css issue on dispute window on data curation page
2. Fix issue that apply changes button is stick to next button on data curation page
3. Change the arrow color from black to white on data curation page
4. Fix the icon size issue on review page
Summary of Fix/Changes: Made changes as requested.
Summary of Testing: Testing done by PURR staff on their dev environment. This will be tested again on PURR production hub by PURR staff.
Hotfix needed? This will be pulled to PURR prod as part of testing and targeted for next CMS release (2.2.27)

hubzero / hubzero-cms