Improvements and fixes

The on-site analysis keeps same-numbered strings of different inverters apart, recognises curtailment from the plant's power limits, and rates manually created strings from their inverter.

• On plants with several inverters, the on-site analysis no longer mixes up strings that carry the same number under different inverters.
• The on-site analysis recognises curtailment from the power limits the plant receives and, without them, only when the weather forecast shows sun.
• Strings you created manually, which have no measurements of their own, are rated by the on-site analysis from their inverter's measurements.