View field override (#18572)

## Context
This PR introduces overrides for view fields which will be useful for
page layout FIELDS widgets fields position/groups/visibility override +
restore logic.

packages/twenty-server/src/engine/metadata-modules/flat-entity/constant/__tests__/__snapshots__/all-universal-flat-entity-properties-to-compare-and-stringify.constant.spec.ts.snap

@@ -265,8 +265,11 @@ exports[`ALL_UNIVERSAL_FLAT_ENTITY_PROPERTIES_TO_COMPARE_AND_STRINGIFY should ma
       "aggregateOperation",
       "viewFieldGroupUniversalIdentifier",
       "deletedAt",
+      "universalOverrides",
+    ],
+    "propertiesToStringify": [
+      "universalOverrides",
     ],
-    "propertiesToStringify": [],
   },
   "viewFieldGroup": {
     "propertiesToCompare": [
@@ -274,8 +277,11 @@ exports[`ALL_UNIVERSAL_FLAT_ENTITY_PROPERTIES_TO_COMPARE_AND_STRINGIFY should ma
       "position",
       "isVisible",
       "deletedAt",
+      "overrides",
+    ],
+    "propertiesToStringify": [
+      "overrides",
     ],
-    "propertiesToStringify": [],
   },
   "viewFilter": {
     "propertiesToCompare": [

packages/twenty-server/src/engine/metadata-modules/flat-entity/constant/all-entity-properties-configuration-by-metadata-name.constant.ts

@@ -350,16 +350,23 @@ export const ALL_ENTITY_PROPERTIES_CONFIGURATION_BY_METADATA_NAME = {
     },
   },
   viewFieldGroup: {
-    name: { toStringify: false, universalProperty: undefined, toCompare: true },
+    name: {
+      toStringify: false,
+      universalProperty: undefined,
+      toCompare: true,
+      isOverridable: true,
+    },
     position: {
       toStringify: false,
       universalProperty: undefined,
       toCompare: true,
+      isOverridable: true,
     },
     isVisible: {
       toStringify: false,
       universalProperty: undefined,
       toCompare: true,
+      isOverridable: true,
     },
     deletedAt: {
       toStringify: false,
@@ -381,28 +388,42 @@ export const ALL_ENTITY_PROPERTIES_CONFIGURATION_BY_METADATA_NAME = {
       universalProperty: 'viewUniversalIdentifier',
       toStringify: false,
     },
+    overrides: {
+      toCompare: true,
+      toStringify: true,
+      universalProperty: undefined,
+    },
   },
   viewField: {
     isVisible: {
       toCompare: true,
       toStringify: false,
       universalProperty: undefined,
+      isOverridable: true,
+    },
+    size: {
+      toCompare: true,
+      toStringify: false,
+      universalProperty: undefined,
+      isOverridable: true,
     },
-    size: { toCompare: true, toStringify: false, universalProperty: undefined },
     position: {
       toCompare: true,
       toStringify: false,
       universalProperty: undefined,
+      isOverridable: true,
     },
     aggregateOperation: {
       toCompare: true,
       toStringify: false,
       universalProperty: undefined,
+      isOverridable: true,
     },
     viewFieldGroupId: {
       toStringify: false,
       universalProperty: 'viewFieldGroupUniversalIdentifier',
       toCompare: true,
+      isOverridable: true,
     },
     deletedAt: {
       toCompare: true,
@@ -429,6 +450,11 @@ export const ALL_ENTITY_PROPERTIES_CONFIGURATION_BY_METADATA_NAME = {
       toStringify: false,
       universalProperty: 'viewUniversalIdentifier',
     },
+    overrides: {
+      toCompare: true,
+      toStringify: true,
+      universalProperty: 'universalOverrides',
+    },
   },
   viewGroup: {
     isVisible: {