From Kibana Home Page, use the side navigation bar to navigate to the "Maps" page
From the "Maps" dialog select a map
Examine the source. The "Tools" button and all the "Layers" all have the same ID (see attached image)

Kibana Version:
7.8

OS:
Windows 7

Browser:
Chrome

Screen reader: [if relevant]
NVDA

Relevant WCAG Criteria: WCAG Criterion - Level A/AA/AAA
4.1.1 Parsing - Level A

Relevant ARIA spec: WAI-ARIA Authoring Practices
N/A