Rounded MRR in dashboard

refs https://github.com/TryGhost/Team/issues/1602

- Added `cents` option to ghPriceAmount helper.
- Removed cents from MRR in dashboard.

ghost/admin/app/components/dashboard/v5/charts/mrr.js

@@ -78,7 +78,7 @@ export default class Mrr extends Component {
             return '-';
         }
 
-        const valueText = ghPriceAmount(this.currentMRR);
+        const valueText = ghPriceAmount(this.currentMRR, {cents: false});
         return `${this.mrrCurrencySymbol}${valueText}`;
     }
 

ghost/admin/app/helpers/gh-price-amount.js

@@ -1,9 +1,9 @@
 import {formatNumber} from './format-number';
 import {helper} from '@ember/component/helper';
 
-export function ghPriceAmount(amount) {
+export function ghPriceAmount(amount, {cents = true} = {}) {
     if (amount) {
-        let price = amount / 100;
+        let price = cents ? amount / 100 : Math.round(amount / 100);
         if (price % 1 === 0) {
             return formatNumber(price);
         } else {
@@ -14,6 +14,6 @@ export function ghPriceAmount(amount) {
 }
 
 // like {{pluralize}} but formats the number according to current locale
-export default helper(function ([amount]) {
-    return ghPriceAmount(amount);
+export default helper(function ([amount], options = {}) {
+    return ghPriceAmount(amount, options);
 });

ghost/admin/app/services/dashboard-mocks.js

@@ -395,7 +395,7 @@ export default class DashboardMocksService extends Service {
         this.mrrStats = stats.map((s) => {
             return {
                 date: s.date,
-                mrr: s.tier1 * 500 + s.tier2 * 2500,
+                mrr: s.tier1 * 501 + s.tier2 * 2500,
                 currency: 'usd'
             };
         });