1518 extensibility front add an application section in settings (#15056)

Protected by IS_APPLICATION_ENABLED featureFlag

Add `Application` section in settings

<img width="301" height="137" alt="image"
src="https://github.com/user-attachments/assets/ee53bdd2-36f6-45c6-8646-17b1e08abf00"
/>


A `settings/applications` route listing all installed applications

<img width="661" height="428" alt="image"
src="https://github.com/user-attachments/assets/69d534c4-4e9e-452a-a3d9-ded0223bb457"
/>

Introduce a new Tag for application managed items

<img width="885" height="759" alt="image"
src="https://github.com/user-attachments/assets/19767be5-61e5-4bd2-a51d-54ed9bfb1923"
/>



A `settings/applications/<application_id>` details setting page listing
all objects, serverlessFunctions and agents created by the application:

<img width="917" height="778" alt="image"
src="https://github.com/user-attachments/assets/7fc056a6-1d73-4242-b2eb-6f8955d8597d"
/>

A `settings/applications/<application_id>/<serverless_function_id>`

<img width="905" height="652" alt="image"
src="https://github.com/user-attachments/assets/56ca0021-26bf-42cb-9abf-34879f16050a"
/>

Add trigger tab in serverless function details (readonly for now)

<img width="899" height="724" alt="image"
src="https://github.com/user-attachments/assets/5eeefa35-f2a4-4fd8-a640-7b5c5891f226"
/>

Set object, serverless and agent setting detail pages readonly for
managed items
<img width="1075" height="859" alt="image"
src="https://github.com/user-attachments/assets/57c73d69-4980-47a2-b752-8dc5ab494530"
/>
<img width="648" height="582" alt="image"
src="https://github.com/user-attachments/assets/5ad5f3f7-3bc3-4e40-870a-4981c6492524"
/>
<img width="982" height="692" alt="image"
src="https://github.com/user-attachments/assets/7ad756c4-5d33-4a0a-9eb8-416c040362b9"
/>
<img width="1077" height="647" alt="image"
src="https://github.com/user-attachments/assets/e086b9f5-4062-4d10-82a9-4023de3cad3f"
/>

packages/twenty-front/src/modules/ui/input/components/TextArea.tsx

@@ -21,6 +21,7 @@ export type TextAreaProps = {
   value?: string;
   className?: string;
   onBlur?: () => void;
+  readOnly?: boolean;
 };
 
 const StyledContainer = styled.div`
@@ -81,6 +82,7 @@ export const TextArea = ({
   className,
   onChange,
   onBlur,
+  readOnly = false,
 }: TextAreaProps) => {
   const computedMinRows = Math.min(minRows, maxRows);
 
@@ -125,6 +127,7 @@ export const TextArea = ({
         onBlur={handleBlur}
         disabled={disabled}
         className={className}
+        readOnly={readOnly}
       />
     </StyledContainer>
   );