Price is not shown if the price is negative when you click on the price bar.
To Reproduce
Click on a bar representing a negative price.
Expected behavior:

Hardware information:
- Country: Sweden
- Meter: Sagemcom
- Encryption enabled: No
- AMS reader: Generic ESP32-S2
Relevant firmware information:
- Version: 2.5.7
- MQTT: No
- HAN GPIO: GPIO1
- HAN baud and parity: 115200 8N1
- ENTSO-E API enabled: No
Price is not shown if the price is negative when you click on the price bar.
To Reproduce
Click on a bar representing a negative price.
Expected behavior:

Hardware information:
Relevant firmware information: