Refactor save server

Merged Loic Huder requested to merge refactor-save-server into main

!223 (comment 254739)

Lighten Dashboard a good chunk.

The final goal of this MR was to move SaveToServerButton out of Dashboard.

For this, I gathered the uses of the saveToServer callback inside the SaveToServer component (now called SaveToServerButton) to move the callback itself in the component. This also allowed to remove a bunch of SaveToServer-related states from Dashboard.

Edited by Loic Huder

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