Improvements and fixes

The analysis tables can now show a "String Count" column, and "Energy Reference" is filled in again when the energy columns are hidden. The greyed-out "Report" entry no longer appears in a plant's menu.

• The analysis page's inverter and combiner box tables can now show a "String Count" column, with "Orientation" also among the selectable columns.
• "Energy Reference" in the analysis tables is filled in again when the energy columns are hidden.
• The greyed-out "Report" entry no longer appears in a plant's menu.
• The component KPI figures in the API are now given in watt-hours and unrounded, in place of the kilowatt-hour figures.
• Tickets can now be created for a plant through the API, with a category, a status, an assignee, linked events and components, and threaded comments.