test: add profilePublic field to User test fixtures

Updates all User test objects in auth.types.spec.ts to include
the profilePublic field that was added to the User interface.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

shared-types/test/auth.types.spec.ts

@@ -20,6 +20,7 @@ describe("auth Types", () => {
         isMod:         true,
         isStaff:       true,
         isVip:         false,
+        profilePublic: true,
         username:      "testuser",
       };
 
@@ -33,6 +34,7 @@ describe("auth Types", () => {
         isMod:         false,
         isStaff:       false,
         isVip:         true,
+        profilePublic: false,
         username:      "anotheruser",
       };
 
@@ -53,6 +55,7 @@ describe("auth Types", () => {
         isMod:         false,
         isStaff:       false,
         isVip:         false,
+        profilePublic: false,
         username:      "banneduser",
       };
 
@@ -107,6 +110,7 @@ describe("auth Types", () => {
           isMod:         false,
           isStaff:       false,
           isVip:         false,
+          profilePublic: true,
           username:      "testuser",
         },
       };