Feature: add custom id claim (#667)

This feature allows using the custom claim in the JWT token as a user ID.

Refactor claims extractor with options support

Add is_current to the user API response

management/server/http/api/openapi.yml

@@ -46,6 +46,10 @@ components:
           type: array
           items:
             type: string
+        is_current:
+          description: Is true if authenticated user is the same as this user
+          type: boolean
+          readOnly: true
       required:
         - id
         - email
@@ -1703,4 +1707,4 @@ paths:
         '403':
           "$ref": "#/components/responses/forbidden"
         '500':
-          "$ref": "#/components/responses/internal_error"
+          "$ref": "#/components/responses/internal_error"