Deprecate messageChannel messageFolder calendarChannel standard objects (#20836)

# Introduction

Removing old standard objects `messageChannel` and `messageFolder` and
`calendarChannel`

---------

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/twenty-front/src/testing/mock-data/generated/metadata/minimal/mock-minimal-metadata.ts

@@ -104,18 +104,6 @@ export const mockedMinimalMetadata: MinimalMetadata =
       "isSystem": true,
       "isRemote": false
     },
-    {
-      "id": "06ac365e-28d1-4966-8b15-30f268468a19",
-      "nameSingular": "messageFolder",
-      "namePlural": "messageFolders",
-      "labelSingular": "Message Folder",
-      "labelPlural": "Message Folders",
-      "icon": "IconFolder",
-      "isCustom": false,
-      "isActive": true,
-      "isSystem": true,
-      "isRemote": false
-    },
     {
       "id": "61d7672d-5c4f-42e1-812e-99eb0a2565de",
       "nameSingular": "workflowRun",
@@ -296,30 +284,6 @@ export const mockedMinimalMetadata: MinimalMetadata =
       "isSystem": false,
       "isRemote": false
     },
-    {
-      "id": "ce1549f6-1cb8-4f47-ba55-16d5a399a235",
-      "nameSingular": "calendarChannel",
-      "namePlural": "calendarChannels",
-      "labelSingular": "Calendar Channel",
-      "labelPlural": "Calendar Channels",
-      "icon": "IconCalendar",
-      "isCustom": false,
-      "isActive": true,
-      "isSystem": true,
-      "isRemote": false
-    },
-    {
-      "id": "c48ce4de-a73c-4b94-ba79-123559a8b299",
-      "nameSingular": "messageChannel",
-      "namePlural": "messageChannels",
-      "labelSingular": "Message Channel",
-      "labelPlural": "Message Channels",
-      "icon": "IconMessage",
-      "isCustom": false,
-      "isActive": true,
-      "isSystem": true,
-      "isRemote": false
-    },
     {
       "id": "89c57180-083a-47b6-bfb7-ec51b3a87eae",
       "nameSingular": "noteTarget",
@@ -526,12 +490,6 @@ export const mockedMinimalMetadata: MinimalMetadata =
       "key": "INDEX",
       "objectMetadataId": "057951b6-46e0-4ae9-956a-b3b72f2cf800"
     },
-    {
-      "id": "0641fc4f-b4ba-4074-a6e2-2d8d7826064e",
-      "type": "TABLE",
-      "key": "INDEX",
-      "objectMetadataId": "ce1549f6-1cb8-4f47-ba55-16d5a399a235"
-    },
     {
       "id": "cccea524-558f-49c0-8657-c07bc3610c23",
       "type": "TABLE",
@@ -562,12 +520,6 @@ export const mockedMinimalMetadata: MinimalMetadata =
       "key": "INDEX",
       "objectMetadataId": "4397cb61-4bcc-49f8-b024-739b74ed9928"
     },
-    {
-      "id": "e7ac6796-abf6-4a97-a758-91fa3518cf4c",
-      "type": "TABLE",
-      "key": "INDEX",
-      "objectMetadataId": "06ac365e-28d1-4966-8b15-30f268468a19"
-    },
     {
       "id": "a144d5ab-3195-4409-95f5-5aee8c0d3bbe",
       "type": "TABLE",
@@ -586,12 +538,6 @@ export const mockedMinimalMetadata: MinimalMetadata =
       "key": "INDEX",
       "objectMetadataId": "7db07e5a-4476-4a4f-ba75-6de6597689aa"
     },
-    {
-      "id": "022dba8d-2c8e-40e7-b767-0234e71ad705",
-      "type": "TABLE",
-      "key": "INDEX",
-      "objectMetadataId": "c48ce4de-a73c-4b94-ba79-123559a8b299"
-    },
     {
       "id": "b2e63752-f7e4-4d38-ae6e-063e6766a02d",
       "type": "TABLE",