cabana: miscellaneous bug fixes and enhancements

[deanlee]

1. Dim inactive messages in BinaryView with gray color:
   
2. Add series type selector to chart toolbar for quick chart type changes:
   
3. Fix incorrect slider groove rect on high DPI:

Before	After

4. Fixed toolbar appearance on macOS:

Before	After

5. Fix LogSlider to prevent value changes after setting the same range.
6. Ensure message size doesn't exceed CAN_MAX_DATA_BYTES (64) in the message edit dialog.
7. Improve VideoWidget layout for better visual alignment.
8. Update hex value formatting to display in uppercase (e.g., 0x3C2, 0x4DF, instead of lowercase 3c2, 4df).
9. Fix various UI components, like sizeHint, to properly scale on high DPI screens.
10. Improve "What's This" text for chart view interactions: