[field-level permissions] Upsert fieldPermission + use fieldPermission to compute permissions (#13050)

In this PR

- introduction of fieldPermission entity
- addition of upsertFieldPermission in role resolver
- computing of permissions taking fieldPermission into account. In order
to limit what is stored in Redis we only store fields restrictions. For
instance for objectMetadata with id XXX with a restriction on field with
id YYY we store:
`"XXX":{"canRead":true,"canUpdate":false,"canSoftDelete":false,"canDestroy":false,"restrictedFields":{"YYY":{"canRead":false,"canUpdate":null}}}`

---------

Co-authored-by: Charles Bochet <charlesBochet@users.noreply.github.com>

packages/twenty-server/test/integration/metadata/suites/agent/utils/agent-tool-test-utils.ts

@@ -158,6 +158,7 @@ export const createAgentToolTestModule =
       targetRelationFields: [],
       dataSource: {} as any,
       objectPermissions: [],
+      fieldPermissions: [],
     };
 
     return {
@@ -207,6 +208,7 @@ export const setupBasicPermissions = (context: AgentToolTestContext) => {
             canUpdate: true,
             canSoftDelete: true,
             canDestroy: false,
+            restrictedFields: {},
           },
         },
       },