Zabbix

...G...... [ZBX-21876] corrected getPluginCapacity to avoid false warnings

* commit 'cb99ec04810f88165148d549c47169da06993ab9':
  ...G...... [ZBX-21876] corrected getPluginCapacity logic to protect from negative pluginMaxCapacity
  ...G...... [ZBX-21876] added changelog entry
  ...G...... [ZBX-21876] corrected getPluginCapacity to avoid false warnings