Fix workflow email body overflowing into the attachments section (#23810)

before (introduced by https://github.com/twentyhq/twenty/pull/23657)
<img width="381" height="736" alt="Screenshot 2026-08-05 at 15 18 38"
src="https://github.com/user-attachments/assets/91d5d1de-bffb-4508-a488-2fe6a09eca61"
/>

after
<img width="1308" height="748" alt="image"
src="https://github.com/user-attachments/assets/06a9b875-6cde-47c6-a23f-f9a1f268db42"
/>


## Problem

In the workflow Send Email action panel, the Body editor painted over
the Attachments section when the panel was shorter than the editor's
minimum height.

packages/twenty-front/src/modules/advanced-text-editor/components/FormAdvancedTextFieldInput.tsx

@@ -28,14 +28,14 @@ const StyledAdvancedTextFieldContainerWrapper = styled.div<{
 }>`
   display: flex;
   flex-direction: column;
-  flex-grow: 1;
-  min-height: 0;
+  flex-grow: ${({ hasFieldChrome }) => (hasFieldChrome ? 0 : 1)};
+  min-height: ${({ hasFieldChrome }) => (hasFieldChrome ? 'auto' : '0')};
 
   /* Document editors stretch to their available height; field editors keep
      their intrinsic height so they compose naturally inside forms. */
   & > * {
     flex-grow: ${({ hasFieldChrome }) => (hasFieldChrome ? 0 : 1)};
-    min-height: 0;
+    min-height: ${({ hasFieldChrome }) => (hasFieldChrome ? 'auto' : '0')};
   }
 `;
 

packages/twenty-front/src/modules/workflow/workflow-steps/workflow-actions/constants/WorkflowEmailBodyEditorProfile.ts

@@ -5,7 +5,7 @@ import { WorkflowVariableTag } from '@/workflow/workflow-variables/extensions/Wo
 
 export const WORKFLOW_EMAIL_BODY_EDITOR_PROFILE = {
   chrome: 'field',
-  minHeight: 340,
+  minHeight: 200,
   enableFullScreen: true,
   parseLegacyDocument: parseLegacyWorkflowEmailBodyDocument,
   buildExtensions: (context) => [