Feat/email composer improvements (#23188)

- Move composer to dedicated page
- Add test email option
- Auto saved as draft can be revisited from `objects/messageCampaigns`
later
- Campaign stats component



https://github.com/user-attachments/assets/9e523116-e79b-496d-9c9d-3887e0c9213f



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Co-authored-by: Félix Malfait <felix.malfait@gmail.com>

packages/twenty-front/src/modules/object-record/utils/__tests__/canOpenObjectInSidePanel.test.ts

@@ -5,6 +5,7 @@ describe('canOpenObjectInSidePanel', () => {
     expect(canOpenObjectInSidePanel('workflow')).toBe(false);
     expect(canOpenObjectInSidePanel('workflowVersion')).toBe(false);
     expect(canOpenObjectInSidePanel('dashboard')).toBe(false);
+    expect(canOpenObjectInSidePanel('messageCampaign')).toBe(false);
   });
 
   it('should return true for other objects', () => {

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

@@ -2,5 +2,6 @@ export const canOpenObjectInSidePanel = (objectNameSingular: string) =>
   !(
     objectNameSingular === 'workflow' ||
     objectNameSingular === 'workflowVersion' ||
-    objectNameSingular === 'dashboard'
+    objectNameSingular === 'dashboard' ||
+    objectNameSingular === 'messageCampaign'
   );