[UCCOMMHUB-11] fix rendering of menu on tool license page

[JackS9]

Tool license page is not rendered properly

• JIRA card: https://sdx-sdsc.atlassian.net/browse/UCCOMMHUB-11
• Support ticket: https://uccommunityhub.hubzero.org/support/ticket/46
• Brief summary of the issue: The dropdown menus on the tool license page of the tool create pipeline was rendering full width of page.
• Brief summary of the fix/changed code: Added max-width (of 25%) to the .shifted entry in the pipeline CSS, which is used on those menu select tags.
• Brief summary of your testing: Could not be tested directly on uccommunithhub.org, but Mona could mimic the proposed change within the browser inspector.
• Hotfixed needed? no

[nkissebe]

Deferring to Ilya, I have no objections

[dbenham]

We're a bit curious about why/where this happened. @ilya is interested in finding a root cause.