Shutter continuous improvement

[stefanbode]

Description:

• moved slider to driver (now autoupdate)
• several fixes on inverted shutters in webgui and calculation
• code optimization (reduce footprint)
• added shutter to bootloop exclusion
• fix on webbuttons if shutter > 4
• update discovery message if shutter >4
• fix wrong option numbers if ESP32 shutter enabled
  Related issue (if applicable): fixes #

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.2.7.4.9
• The code change is tested and works with Tasmota core ESP32 V.2.0.9
• I accept the CLA.

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

[arendst]

I'l need to test changes and impact first today.