The menus open on the wrong side when the page is RTL

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.0 Beta 2, 7.1.X, Master
• Component/s: Frontend Infrastructure > RTL Infrastructure
• Labels: None
• Fix Priority: 3
• Last Working Version:
  7.0.X
• Sprint: S01E12 - Alien
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/58992

Steps to Reproduce:

1. Add Language Selector portlet to page
2. Change language to Hebrew
3. Open the sidebar menus

Expected Results:
Expected the sidebar menus to open on the correct side of the page e.g., the product menu on the right side, since the page is RTL.

Actual Results:
Observed the menus open on the incorrect side of the page e.g., the product menu on the left side.

Reproduced on:
Tomcat 9.0.6 + MySQL 5.7
Portal master GIT ID: 24073185be5f91277f3629bb0d826200ae45ceac