Change NeoPool using temperature as only frequently changing value for NPTeleperiod

[curzon01]

Description:

For NPTeleperiod, only the system temperature is defined as a NeoPool frequently changing measured value, all other values are now defined as status changes (see NPTeleperiod using <time> != 0).

Checklist:

• The pull request is done against the latest development branch
• Only relevant files were touched
• Only one feature/fix was added per PR and the code change compiles without warnings
• The code change is tested and works with Tasmota core ESP8266 V.2.7.6
• The code change is tested and works with Tasmota core ESP32 V.3.0.1
• I accept the CLA.