Use app theme in the PageWidget

[shelverizr]

Is your feature request related to a problem? Please describe.

In my use case, my app is set to dark theme. The text on the screen cannot be clearly seen when an exception is triggered.

Describe the solution you'd like

Use app theme in the PageWidget.

Describe alternatives you've considered

No response

Additional context

Catcher2 options:

Catcher2Options(
  PageReportMode(),
  [
    FileHandler(File(logPath))
  ],
  screenshotsPath: screenshotsPath,
)