fix(editor): Trial banner does not disappear after sign out (no-changelog) (#6930)

to test in staging use version
`PR-6930-ado-990-trial-banner-does-not-disappear-after-sign-out`

<img width="875" alt="image"
src="https://github.com/n8n-io/n8n/assets/16496553/dfffe60f-bec3-4c48-bd9c-5990c68afa52">

packages/editor-ui/src/stores/cloudPlan.store.ts

@@ -6,6 +6,7 @@ import { useSettingsStore } from '@/stores/settings.store';
 import { useUsersStore } from '@/stores/users.store';
 import { getCurrentPlan, getCurrentUsage } from '@/api/cloudPlans';
 import { DateTime } from 'luxon';
+import { CLOUD_TRIAL_CHECK_INTERVAL } from '@/constants';
 
 const DEFAULT_STATE: CloudPlanState = {
 	data: null,
@@ -28,6 +29,11 @@ export const useCloudPlanStore = defineStore('cloudPlan', () => {
 		state.usage = data;
 	};
 
+	const reset = () => {
+		state.data = null;
+		state.usage = null;
+	};
+
 	const userIsTrialing = computed(() => state.data?.metadata?.group === 'trial');
 
 	const currentPlanData = computed(() => state.data);
@@ -89,6 +95,27 @@ export const useCloudPlanStore = defineStore('cloudPlan', () => {
 		return Math.ceil(differenceInDays);
 	});
 
+	const startPollingInstanceUsageData = () => {
+		const interval = setInterval(async () => {
+			try {
+				await getInstanceCurrentUsage();
+				if (trialExpired.value || allExecutionsUsed.value) {
+					clearTimeout(interval);
+					return;
+				}
+			} catch {}
+		}, CLOUD_TRIAL_CHECK_INTERVAL);
+	};
+
+	const checkForCloudPlanData = async (): Promise<void> => {
+		try {
+			await getOwnerCurrentPlan();
+			if (!userIsTrialing.value) return;
+			await getInstanceCurrentUsage();
+			startPollingInstanceUsageData();
+		} catch {}
+	};
+
 	return {
 		state,
 		getOwnerCurrentPlan,
@@ -100,5 +127,7 @@ export const useCloudPlanStore = defineStore('cloudPlan', () => {
 		currentUsageData,
 		trialExpired,
 		allExecutionsUsed,
+		reset,
+		checkForCloudPlanData,
 	};
 });