Mi32bugfix

[btsimonh]

Description:

bugfix for bug reported in Discord.
MI32 sensors no longer auto-discovered in HASS.

There is a workaround by setting BOTH 'setopion19 1' and 'MI32Option6 1' - this will work for the release version

These changes fix this issue.

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 on Tasmota core ESP8266 V.2.7.4.9
• The code change is tested and works on Tasmota core ESP32 V.1.0.5-rc6
• I accept the CLA.

NOTE: The code change must pass CI tests. Your PR cannot be merged unless tests pass