fix(monitoring): add kiosk for automatic height calculation to work

passing `height=-1` for automatic calculation of height, was broken
for a few releases, in this release it should work when `kisok` parameter
is also being passed

sdcm/logcollector.py

@@ -500,7 +500,7 @@ def get_grafana_screenshot(self, node, local_dst):
                                                                         node.name))
                     LOGGER.debug("Get screenshot for url %s, save to %s", grafana_url, screenshot_path)
                     with requests.get(grafana_url, stream=True,
-                                      params=dict(width=dashboard.resolution[0], height=dashboard.resolution[1])) as response:
+                                      params=dict(width=dashboard.resolution[0], height=-1, kiosk='')) as response:
                         response.raise_for_status()
                         with open(screenshot_path, 'wb') as output_file:
                             for chunk in response.iter_content(chunk_size=8192):