revert schemas profiles.py

Author: bisgaard-itis

services/api-server/src/simcore_service_api_server/models/schemas/profiles.py

@@ -9,12 +9,8 @@
 
 
 class ProfileCommon(BaseModel):
-    first_name: FirstNameStr = Field(
-        None, examples=["James"]
-    )  # TODO: should be nullable
-    last_name: LastNameStr = Field(
-        None, examples=["Maxwell"]
-    )  # TODO: should be nullable
+    first_name: FirstNameStr | None = Field(None, examples=["James"])
+    last_name: LastNameStr | None = Field(None, examples=["Maxwell"])
 
 
 class ProfileUpdate(ProfileCommon):
@@ -35,12 +31,12 @@ class Profile(ProfileCommon):
     id_: UserID = Field(alias="id")
     login: LowerCaseEmailStr
     role: UserRoleEnum
-    groups: Groups = None  # TODO: should be nullable
-    gravatar_id: str = Field(
+    groups: Groups | None = None
+    gravatar_id: str | None = Field(
         None,
         description="md5 hash value of email to retrieve an avatar image from https://www.gravatar.com",
         max_length=40,
-    )  # TODO: should be nullable
+    )
 
     @field_validator("role", mode="before")
     @classmethod