[AC-1863] Send initiationPath on organization or user signup (#7747)

* Sent initiation path for organization and user signups

* Rename organizationQueryParameter > organizationTypeQueryParameter

* Jared's feedback

* Split PM & SM initiation path

libs/common/src/models/request/reference-event.request.ts

@@ -1,6 +1,14 @@
+export type InitiationPath =
+  | "Registration form"
+  | "Password Manager trial from marketing website"
+  | "Secrets Manager trial from marketing website"
+  | "New organization creation in-product"
+  | "Upgrade in-product";
+
 export class ReferenceEventRequest {
   id: string;
   session: string;
   layout: string;
   flow: string;
+  initiationPath: InitiationPath;
 }