[SONOFF-POWCT] Update config to align with Esphome PR#7836

[mick96]

Enhance SONOFF-POWCT configuration with CSE7761 integration improvements from esphome/esphome#7836.

Brief description of the changes

Type of changes

• New device
• Update existing device
• Removing a device
• General cleanup
• Other

Checklist:

• There are no passwords or secrets references in any examples.
  The only exceptions are !secret wifi_ssid and !secret wifi_password.
• The wifi or ethernet block has no static / manual ip address specified.
• The first configuration provided should be hardware definitions only.
  A more involved example can be provided in a separate configuration block.

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[h1771t]

Thanks for this. The old line 96 should also be removed no?
Anyway with the filters removed, and the patches from the PR mentioned, this config is working very well for me on the POWCT.