Fixed warning message about updated purposes

When the modal is forced open on startup, this message should only be
shown if the purposes were updated since the last visit.

src/ui/components/Main.tsx

@@ -59,6 +59,7 @@ const Main: ForwardRefRenderFunction<MainHandle> = (_, ref) => {
 						<Modal
 							key="modal"
 							isForced={config.forceModal && manager.isDirty()}
+							needsUpdate={manager.needsUpdate()}
 							privacyPolicyUrl={config.privacyPolicyUrl}
 							onClose={closeModal}
 							onSave={commit}

src/ui/components/types/Modal.ts

@@ -2,6 +2,7 @@ import {FC} from 'react';
 
 export interface ModalProps {
 	isForced: boolean;
+	needsUpdate: boolean;
 	privacyPolicyUrl: string;
 	onClose: () => void;
 	onSave: () => void;

src/ui/themes/dsfr/Modal.tsx

@@ -7,6 +7,7 @@ import type {ModalComponent} from '../../components/types/Modal';
 
 const Modal: ModalComponent = ({
 	isForced,
+	needsUpdate,
 	privacyPolicyUrl,
 	onClose,
 	onSave,
@@ -47,7 +48,7 @@ const Modal: ModalComponent = ({
 						</h1>
 
 						<div>
-							{isForced ? (
+							{isForced && needsUpdate ? (
 								<p>
 									<strong>{t.misc.updateNeeded}</strong>
 								</p>

src/ui/themes/orejime/Modal.tsx

@@ -8,6 +8,7 @@ import PoweredByLink from '../../components/PoweredByLink';
 
 const Modal: ModalComponent = ({
 	isForced,
+	needsUpdate,
 	privacyPolicyUrl,
 	onClose,
 	onSave,
@@ -40,14 +41,16 @@ const Modal: ModalComponent = ({
 					<h1 className="orejime-Modal-title" id="orejime-modal-title">
 						{t.modal.title}
 					</h1>
+
 					<p className="orejime-Modal-description">
-						{isForced ? (
+						{isForced && needsUpdate ? (
 							<p className="orejime-Modal-description">
 								<strong className="orejime-Modal-changes">
 									{t.misc.updateNeeded}
 								</strong>
 							</p>
 						) : null}
+
 						{template(t.modal.description, {
 							privacyPolicy: (
 								<a