Forbid substitute (#3734)

apps/web/.eslintrc.json

@@ -12,7 +12,8 @@
           "**/app/shared/*",
           "@bitwarden/web-vault/*",
           "src/**/*"
-        ]
+        ],
+        "paths": ["@fluffy-spoon/substitute"]
       }
     ]
   }

apps/web/src/app/accounts/trial-initiation/trial-initiation.component.spec.ts

@@ -5,6 +5,7 @@ import { ComponentFixture, fakeAsync, TestBed, tick } from "@angular/core/testin
 import { FormBuilder, UntypedFormBuilder } from "@angular/forms";
 import { ActivatedRoute, Router } from "@angular/router";
 import { RouterTestingModule } from "@angular/router/testing";
+// eslint-disable-next-line no-restricted-imports
 import { Substitute } from "@fluffy-spoon/substitute";
 import { BehaviorSubject } from "rxjs";