Improve flaky storybook test (#8515)

I don't think that will solve the flaky test but at least it will
cleanup the error message to avoid confusion

packages/twenty-front/src/modules/object-record/hooks/__mocks__/useCreateManyRecords.ts

@@ -26,7 +26,7 @@ export const responseData = {
   xLink: {
     primaryLinkUrl: '',
     primaryLinkLabel: '',
-    secondaryLinks: null,
+    secondaryLinks: [],
   },
   createdAt: '',
   city: '',
@@ -43,7 +43,7 @@ export const responseData = {
   linkedinLink: {
     primaryLinkUrl: '',
     primaryLinkLabel: '',
-    secondaryLinks: null,
+    secondaryLinks: [],
   },
   updatedAt: '',
   avatarUrl: '',

packages/twenty-front/src/modules/object-record/hooks/__mocks__/useCreateOneRecord.ts

@@ -16,7 +16,7 @@ export const responseData = {
   xLink: {
     primaryLinkUrl: '',
     primaryLinkLabel: '',
-    secondaryLinks: null,
+    secondaryLinks: [],
   },
   pointOfContactForOpportunities: {
     edges: [],
@@ -48,7 +48,7 @@ export const responseData = {
   linkedinLink: {
     primaryLinkUrl: '',
     primaryLinkLabel: '',
-    secondaryLinks: null,
+    secondaryLinks: [],
   },
   updatedAt: '',
   avatarUrl: '',

packages/twenty-front/src/modules/object-record/hooks/__mocks__/useUpdateOneRecord.ts

@@ -14,7 +14,7 @@ const basePerson = {
   xLink: {
     primaryLinkUrl: '',
     primaryLinkLabel: '',
-    secondaryLinks: null,
+    secondaryLinks: [],
   },
   createdAt: '',
   city: '',
@@ -26,7 +26,7 @@ const basePerson = {
   linkedinLink: {
     primaryLinkUrl: '',
     primaryLinkLabel: '',
-    secondaryLinks: null,
+    secondaryLinks: [],
   },
   updatedAt: '',
   avatarUrl: '',

packages/twenty-front/src/modules/object-record/spreadsheet-import/utils/buildRecordFromImportedStructuredRow.ts

@@ -128,7 +128,7 @@ export const buildRecordFromImportedStructuredRow = (
             primaryLinkUrl: castToString(
               importedStructuredRow[`${primaryLinkUrlLabel} (${field.name})`],
             ),
-            secondaryLinks: null,
+            secondaryLinks: [],
           } satisfies FieldLinksValue;
         }
         break;

packages/twenty-front/src/modules/object-record/utils/generateEmptyFieldValue.ts

@@ -15,7 +15,7 @@ export const generateEmptyFieldValue = (
       return { primaryEmail: '', additionalEmails: null };
     }
     case FieldMetadataType.Links: {
-      return { primaryLinkUrl: '', primaryLinkLabel: '', secondaryLinks: null };
+      return { primaryLinkUrl: '', primaryLinkLabel: '', secondaryLinks: [] };
     }
     case FieldMetadataType.FullName: {
       return {