Improve visual styles for applications menu

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: Master
• Component/s: Applications Menu
• Labels:
  • echo-board-out
  • fc_20_07
• Epic Link: UX Refinement for Applications Menu
• Sprint: S03E30 - Amsterdam
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/92083

Improve the visual styles as described in the following Figma file

1. VI logo + name to the bottom
2. Liferay DXP/CE logo + name aligned horizontally with VI logo to the right.
3. Separator line from logos to menu items
4. Menu items inside the container
5. Sites title position + gray area
6. Recent and My sites without heading and separated by a line