fix(oas3): compensate for JSON Schemas left unresolved by swagger-client (#9794)

Refs #9790

test/e2e-cypress/e2e/features/plugins/oas3/all-of-circular-ref.cy.js

@@ -0,0 +1,31 @@
+/**
+ * @prettier
+ */
+
+describe("OpenAPI 3.0 spec with allOf containing a circular reference", () => {
+  it("should render correct title and properties", () => {
+    cy.visit("/?url=/documents/features/oas3-all-of-circular-ref.yaml").then(
+      () => {
+        cy.get("[id='model-OneOfParent']").find("button").click()
+        cy.get(".property-row")
+          .contains("additionalData")
+          .siblings()
+          .as("additionalData")
+        cy.get("@additionalData").find("button").click()
+        cy.get("@additionalData")
+          .find("span")
+          .contains("FirstOneOf")
+          .should("exist")
+          .click()
+        cy.get("@additionalData")
+          .find("span")
+          .contains("numberProp")
+          .should("exist")
+        cy.get("@additionalData")
+          .find("span")
+          .contains("additionalData")
+          .should("exist")
+      }
+    )
+  })
+})

test/e2e-cypress/static/documents/features/oas3-all-of-circular-ref.yaml

@@ -0,0 +1,69 @@
+openapi: 3.0.0
+info:
+  title: Test
+  description: 'Test'
+  license:
+    name: 'Apache 2.0'
+    url: 'https://www.apache.org/licenses/LICENSE-2.0.html'
+  version: '1.0'
+servers:
+  -
+    url: 'https://localhost:8000'
+components:
+  schemas:
+    OneOfParent:
+      title: OneOfParent
+      properties:
+        additionalData:
+          oneOf:
+            -
+              $ref: '#/components/schemas/FirstOneOf'
+            -
+              $ref: '#/components/schemas/SecondOneOf'
+            -
+              $ref: '#/components/schemas/ThirdOneOf'
+      type: object
+    FirstOneOf:
+      title: FirstOneOf
+      type: object
+      allOf:
+        -
+          $ref: '#/components/schemas/OneOfParent'
+        -
+          properties:
+            numberProp:
+              type: number
+              example: '1'
+          type: object
+    SecondOneOf:
+      title: SecondOneOf
+      type: object
+      allOf:
+        -
+          $ref: '#/components/schemas/OneOfParent'
+        -
+          properties:
+            person:
+              properties:
+                id:
+                  type: string
+              type: object
+          type: object
+    ThirdOneOf:
+      title: ThirdOneOf
+      type: object
+      allOf:
+        -
+          $ref: '#/components/schemas/OneOfParent'
+        -
+          properties:
+            person:
+              properties:
+                id:
+                  type: string
+                name:
+                  type: string
+                surname:
+                  type: string
+              type: object
+          type: object