Fix header order by adding sr-only h1

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.3.4 CE GA5, 7.3.10 DXP GA1, 7.4.3.9 CE GA9, 7.4.3.10 CE GA10, 7.4.3.11 CE GA11, Master
• Component/s: Accessibility
• Labels: None
• Fix Priority: 3
• Epic Link: UX Refinement for Applications Menu
• Sprint: S03E30 - Amsterdam, S05E01 - Dark Souls
• Git Pull Request: https://github.com/liferay-frontend/liferay-portal/pull/203
• Bug Type: Accessibility

Since we add last improvements for Apps menu we have added some not too good structured headers.