Fix: Update Zabbix API connector to handle versioning for 'with_hosts' parameter (#2049)

This changes the version number for `with_hosts` to return `real_hosts`
when version is 6.0.0 or below.

In 6.2 `real_hosts` is deprecated.
https://www.zabbix.com/documentation/6.2/en/manual/api/reference/hostgroup/get

In 6.0 it isn't.
https://www.zabbix.com/documentation/6.0/en/manual/api/reference/hostgroup/get

Fixes https://github.com/grafana/grafana-zabbix/issues/2048

src/datasource/zabbix/connectors/zabbix_api/zabbixAPIConnector.test.ts

@@ -37,9 +37,9 @@ describe('Zabbix API connector', () => {
       });
     });
 
-    it('should send the real_hosts parameter when version is <7.0', () => {
+    it('should send the real_hosts parameter when version is <=6.0', () => {
       const zabbixAPIConnector = new ZabbixAPIConnector(true, true, 123);
-      zabbixAPIConnector.version = '6.5.0';
+      zabbixAPIConnector.version = '6.0.0';
       zabbixAPIConnector.request = jest.fn();
 
       zabbixAPIConnector.getGroups();
@@ -49,6 +49,19 @@ describe('Zabbix API connector', () => {
         real_hosts: true,
       });
     });
+
+    it('should send the with_hosts parameter when version is >=6.2', () => {
+      const zabbixAPIConnector = new ZabbixAPIConnector(true, true, 123);
+      zabbixAPIConnector.version = '6.2.0';
+      zabbixAPIConnector.request = jest.fn();
+
+      zabbixAPIConnector.getGroups();
+      expect(zabbixAPIConnector.request).toHaveBeenCalledWith('hostgroup.get', {
+        output: ['name', 'groupid'],
+        sortfield: 'name',
+        with_hosts: true,
+      });
+    });
   });
 
   describe('getHostAlerts function', () => {

src/datasource/zabbix/connectors/zabbix_api/zabbixAPIConnector.ts

@@ -1029,7 +1029,7 @@ function getParamsKeyByVersion(
     case 'selectAcknowledges':
       return semver.gte(version, '7.0.0') ? 'selectAcknowledges' : 'select_acknowledges';
     case 'with_hosts':
-      return semver.gte(version, '7.0.0') ? 'with_hosts' : 'real_hosts';
+      return semver.gte(version, '6.2.0') ? 'with_hosts' : 'real_hosts';
     default:
       return '';
   }