shuttermotorstop init value, new max 5000

[stefanbode]

new max value (5 seconds)
shuttertilt logic check (avoid Theo's indefinite running shutter)

Description:

Related issue (if applicable): fixes #
#17464

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.2.0.5
• I accept the CLA.

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