FIX (notifiers): Fix update of existing DB notifiers

Author: RostislavDugin

backend/internal/features/databases/model.go

@@ -67,6 +67,7 @@ func (d *Database) HideSensitiveData() {
 func (d *Database) Update(incoming *Database) {
 	d.Name = incoming.Name
 	d.Type = incoming.Type
+	d.Notifiers = incoming.Notifiers
 
 	switch d.Type {
 	case DatabaseTypePostgres:

frontend/src/features/settings/ui/SettingsComponent.tsx

@@ -212,7 +212,7 @@ export function SettingsComponent({ contentHeight }: Props) {
           <div className="mt-3 text-sm text-gray-500">
             Read more about settings you can{' '}
             <a
-              href="https://postgresus.com/settings"
+              href="https://postgresus.com/access-management/#global-settings"
               target="_blank"
               rel="noreferrer"
               className="!text-blue-600"
@@ -230,23 +230,18 @@ export function SettingsComponent({ contentHeight }: Props) {
                 <code
                   className="flex-1 cursor-pointer transition-colors select-all hover:text-blue-600"
                   onClick={() => {
-                    window.open(
-                      `${getApplicationServer()}/api/v1/downdetect/is-available`,
-                      '_blank',
-                    );
+                    window.open(`${getApplicationServer()}/api/v1/system/health`, '_blank');
                   }}
                   title="Click to open in new tab"
                 >
-                  {getApplicationServer()}/api/v1/downdetect/is-available
+                  {getApplicationServer()}/api/v1/system/health
                 </code>
                 <Button
                   type="text"
                   size="small"
                   className="ml-2 opacity-0 transition-opacity group-hover:opacity-100"
                   onClick={() => {
-                    navigator.clipboard.writeText(
-                      `${getApplicationServer()}/api/v1/downdetect/is-available`,
-                    );
+                    navigator.clipboard.writeText(`${getApplicationServer()}/api/v1/system/health`);
                     message.success('Health-check endpoint copied to clipboard');
                   }}
                 >