* Added property for expanded padding of expansion panel for solving #24071
* #24071: Renamed default const name for being more descriptive
* #24071: Improved comment of property expandedPadding
* #24071: Improved test by expanding the expansion panel by header tap + precise assertion
* #24071: Renamed property to be more descriptive
* #24071: Adjusted property comment and added missing trailing commas
* #24071: Improved test by checking real exact header size
* #24071: Added test for default header padding
* #24071: Improved comment of expandedHeaderPadding + code style adjustments
* #24071: Added missing trailing comma