Fix unauthorized error handling (#6835)

from @BOHEUS comments in #6640
- fix bad 500 error when authentication invalid 
- remove "id", "createdAt", "updatedAt", etc from creation and update
paths schema
- improve error message 
- remove "id" from test body
- improve secondaryLink schema description
- improve depth parameter description
- remove required from response body
- improve examples
- improve error message formatting
- fix filter by position
- answered to negative float position @BOHEUS comment

Also:
- fix secondary field openapi field description
- remove schema display in playground

Screenshots

![image](https://github.com/user-attachments/assets/a5d52afd-ab10-49f3-8806-ee41b04bc775)

![image](https://github.com/user-attachments/assets/33f985bb-ff75-42f6-a0bb-741bd32a1d08)

packages/twenty-server/src/engine/api/__mocks__/object-metadata-item.mock.ts

@@ -156,7 +156,23 @@ const fieldRatingMock = {
   name: 'fieldRating',
   type: FieldMetadataType.RATING,
   isNullable: true,
-  defaultValue: null,
+  defaultValue: 'RATING_1',
+  options: [
+    {
+      id: '9a519a86-422b-4598-88ae-78751353f683',
+      color: 'red',
+      label: 'Opt 1',
+      value: 'RATING_1',
+      position: 0,
+    },
+    {
+      id: '33f28d51-bc82-4e1d-ae4b-d9e4c0ed0ab4',
+      color: 'purple',
+      label: 'Opt 2',
+      value: 'RATING_2',
+      position: 1,
+    },
+  ],
 };
 
 const fieldPositionMock = {