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



<!-- This is an auto-generated description by cubic. -->
<a
href="https://cubic.dev/pr/twentyhq/twenty/pull/23188?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->

---------

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

packages/twenty-front/src/modules/advanced-text-editor/constants/AdvancedTextEditorPresets.ts

@@ -0,0 +1,45 @@
+import { type AdvancedTextEditorPreset } from '@/advanced-text-editor/types/AdvancedTextEditorPreset';
+
+// One entry per surface that renders the TipTap editor today. Add a surface
+// here rather than passing sizing and content-type props at the call site, so
+// the editor's shape per context stays reviewable in one place.
+export const ADVANCED_TEXT_EDITOR_PRESETS = {
+  // The campaign body owns its whole tab, so it fills the widget instead of
+  // sitting in a bordered box. Stored as TipTap JSON so the server can render
+  // it to email-safe HTML at send time, like the workflow email node.
+  campaignBody: {
+    contentType: 'json',
+    chrome: 'document',
+    minHeight: 0,
+    enableFullScreen: false,
+  },
+  inlineEmailBody: {
+    contentType: 'html',
+    chrome: 'field',
+    minHeight: 120,
+    enableFullScreen: true,
+  },
+  workflowEmailBody: {
+    contentType: 'json',
+    chrome: 'field',
+    minHeight: 340,
+    enableFullScreen: true,
+  },
+  // The RICH_TEXT form input. Its stored value is still BlockNote JSON; only
+  // the editing surface is TipTap today.
+  recordRichTextField: {
+    contentType: 'json',
+    chrome: 'field',
+    minHeight: 340,
+    enableFullScreen: true,
+  },
+  aiInstructions: {
+    contentType: 'markdown',
+    chrome: 'field',
+    minHeight: 120,
+    enableFullScreen: true,
+  },
+} as const satisfies Record<string, AdvancedTextEditorPreset>;
+
+export type AdvancedTextEditorPresetName =
+  keyof typeof ADVANCED_TEXT_EDITOR_PRESETS;