addpanel method in grafana wrapper

[isabelfaulds]

Changes

Grafana Wrapper has AddPanel currently (which would add to row if defined, else panels). These updates add AddPanelToRow. No changes were needed for current dashboards. This makes it easier to switch back and forth between rows of multiple panels & stand alone panels.

Test Example Before Changes

Also if AddPanel() is used first, and Addrow() AddPanel() later then the initial AddPanels() might not get shown. This update prevents that from happening.
For example,

Test Example After Changes

After changes the gauge chart is no longer hidden and CPU Usage isn't placed into same row

SSH Tunnel Health Example After Changes

• Other tested dashboards, like SSH Tunnel Health, not impacted

[isabelfaulds]

Test Example Dashboard Script After Changes
example.dashboard.py

[isabelfaulds]

Test Example Dashboard Script Before Changes

example.dashboard.py