Fixing numbers

[tijsverkoyen]

Trying to improve the handling of the glitches around midnight.

Related issues:

• https://github.com/tijsverkoyen/HomeAssistant-FusionSolar/issues/135
• https://github.com/tijsverkoyen/HomeAssistant-FusionSolar/issues/138
• https://github.com/tijsverkoyen/HomeAssistant-FusionSolar/issues/137