4.9.3

New features

[45e8533] Add ability to clone fields (@psihius)

Bug fixes

[16f5df1] Fix incorrect display of HTML attributes on detail page (@Romaixn)
[e794e9b] Fix the JavaScript code of the light/dark mode selector (@javiereguiluz)
[4b6a90d] Fix ajax editing of fields with invalid permission (@danut007ro)
[e38f90d][ae1057d] Misc doc fixes (@JorickPepin, @alexandre-mace)