Group form: floppy disk icon removed

[iqqmuT]

• floppy disk is not a modern icon
• some users might associate floppy disk icon to saving data to a local device but here we are saving data in cloud
• no icon needed, coloring indicates it is the submit button
• if save button has an icon, then cancel button should have also for symmetry

Refers #132

[dcbr]

I don't really agree with your first two points, see for example following discussions on this topic (from 13 years ago, yet "floppy disk" save icons are still in use even today!): https://stackoverflow.com/questions/1019573/save-icon-still-a-floppy-disk and https://ux.stackexchange.com/questions/3117/save-icon-is-the-floppy-disk-icon-dead.

• no icon needed, coloring indicates it is the submit button

Fair enough

• if save button has an icon, then cancel button should have also for symmetry

But I like this latter approach more personally.

[aloxe]

• floppy disk is not a modern icon

That's right, it was added in Unicode for version 6.0 in 2010. Along with the 📼 Videocassette, 📤 input and output trays, 📠 fax machine, 📟 Pager and 📯 postal horn. The postal horn is maybe the oldest unused device but the symbol is still used in some countries as a sign for post offices and postal services.

[iqqmuT]

Thank you for your good points. Feel free to close this pull request. Perhaps the floppy disk icon can be re-evaluated in 10 years or so. 😊

[pktiuk]

I also disagree with these statements.
Floppy disc is currently associated with saving.
Just write save icon in google.