[New build - EXPERIMENTAL] 25w26a: Hotfixes, merging beams

[p]The beam merging features is achieved now through link: link a beam to several other and they will merge.[/p][p]You will need to assign a distance at which the beams should merge.[/p][p][/p][p]Bugfixes:[/p]

• [p] #6468 Glass arch wedge is not paintable.[/p]
• [p] #6473 Beam Gimbal fixed[/p]
• [p] #6469 Esc not working on Option menu[/p]