Log Window shows debug messages when not selected

Current Situation

When a log with debug lines is opened and the debug checkbox is not selected the debug message are shown.
When select and then deselect the debug chechbox, debug messages are not shown.

Desired Behavior

When a log with debug lines is opened and the debug checkbox is not selected the debug message should not be shown.

Testcase

• Open a log with debug lines
• Deselect the checkbox for debug
• close the log
• Open again
  • You will see a deselected checkbox
  • You will see debug lines.
• Select and deselect the checkbox
  • You will see no debug lines.