MOBILE-4551 sync: Display toast when site sync is successful

scripts/langindex.json

@@ -2493,6 +2493,7 @@
   "core.settings.showdownloadoptions": "local_moodlemobileapp",
   "core.settings.siteinfo": "local_moodlemobileapp",
   "core.settings.sites": "moodle",
+  "core.settings.sitesynccompleted": "local_moodlemobileapp",
   "core.settings.sitesyncfailed": "local_moodlemobileapp",
   "core.settings.spaceusage": "local_moodlemobileapp",
   "core.settings.syncdatasaver": "local_moodlemobileapp",

src/core/features/settings/lang.json

@@ -71,6 +71,7 @@
     "showdownloadoptions": "Show download options",
     "siteinfo": "Site info",
     "sites": "Sites",
+    "sitesynccompleted": "Site synchronisation completed.",
     "sitesyncfailed": "Site synchronisation failed",
     "spaceusage": "Space usage",
     "syncdatasaver": "Data saver: Synchronise only when on Wi-Fi",

src/core/features/settings/pages/site/site.ts

@@ -116,6 +116,8 @@ export class CoreSitePreferencesPage implements AfterViewInit, OnDestroy {
         try {
             // Using syncOnlyOnWifi false to force manual sync.
             await CoreSettingsHelper.synchronizeSite(false, this.siteId);
+
+            CoreDomUtils.showToast('core.settings.sitesynccompleted', true);
         } catch (error) {
             if (this.isDestroyed) {
                 return;

src/core/features/settings/pages/synchronization/synchronization.ts

@@ -131,6 +131,8 @@ export class CoreSettingsSynchronizationPage implements OnInit, OnDestroy {
         // Using syncOnlyOnWifi false to force manual sync.
         try {
             await CoreSettingsHelper.synchronizeSite(false, siteId);
+
+            CoreDomUtils.showToast('core.settings.sitesynccompleted', true);
         } catch (error) {
             if (this.isDestroyed) {
                 return;