When exporting datasets in the GDPR tool we try to format all columns that are exported.
This is done by checking for matching dimensions. In some cases this causes problems, as the dimensions actually don't have a format method that can format the raw column value (as they define a sql segment that should be applied).
This currently happens e.g. when exporting a dataset that contains some media actions, as the
Hour dimension is used for
This PR drops using dimensions for formatting if they define a special sql segment.
In addition it catches possible exceptions thrown while formatting and using the unformatted raw value instead. Possible exceptions will be logged so we still might notice possible problems.