Matter improve internal inspectfor superclasses

[s-hadinger]

Description:

Improve internal Berry Matter matter.inspect() to dump all attributes of instances, including superclass inherited attributes.

No functional change, this is only used for debugging.

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.2.7.7
• The code change is tested and works with Tasmota core ESP32 V.3.0.2
• I accept the CLA.

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