feat(a11y): provide additional context for authorization and logout button (#8999)

Refs #8998

Co-authored-by: Vladimír Gorej <vladimir.gorej@gmail.com>

test/e2e-cypress/e2e/security/apikey.cy.js

@@ -0,0 +1,13 @@
+describe("ApiKey Authorization", function() {
+  it("should have generic description for authorization button", () => {
+    cy
+      .visit("/?url=/documents/petstore.swagger.yaml")
+      .get(".btn.authorize") // open authorization dialog
+      .click()
+      .get(".modal-ux-content > :nth-child(2)") // only deal with api_key for this test
+      .within(() => {
+        cy.get(".auth-btn-wrapper .authorize")
+          .should("have.attr", "aria-label", "Apply credentials")
+      })
+  })
+})