Add log scale on x and y axis on dispersion charts?

[giorgiouboldi]

In which part of the interface would this feature applies?

[ ] 1. Load your data
[ ] 2. Choose a chart
[x] 3. Mapping
[x] 4. Customize
[ ] 5. Export

Is your feature request related to a problem? Please describe.
No, just an enhancement

Describe the solution you'd like
It would be nice to have the option to have log scales on x and y axis on dispersion charts. I don't know if this should be also added for other variables (such as size).

Describe alternatives you've considered
I can create a new value in spreadhseet but then the ticks/labels would be wrong...i think is something that should be done in RAWGraphs and it can help the readibility and exploration. I

Additional context
Add any other context or screenshots about the feature request here.