Fix for old hologram method not working on 1.21.6+ servers
Some updates relating to gradient deconversion which will require new CMILib. Which will try to more properly deconvert gradients back to their original state instead of showing "messy" output where each letter has its own color code. Keep in mind that this is not bullet proof yet, some edge cases will cause it break and will produce old full output instead of simplified one, but in most cases it should be just fine(ish)
Added option to edit signs in new Dialog type window. Enabled by default. This only works on 1.21.7+ servers with latest Paper builds. At the moment its more of a experimental feature to see if its suitable for use cases like this one. Icon (tiny, Mojang should give option to make it bigger!) of the sign will be shown at the top while each sign line will be represented in each text field, at the moment its limited to 256 characters, which is way more than you could dream to have in regular sign editor. Update button will simply apply changes done to text fields, you can simply close it with ESC or by clicking button at the bottom.