Minor patch to fix nested sessions and screencopy crashes.

New features:

• Add bringWindowToTop function to IHyprLayout (#2747)

Fixes:

• no_xwayland: fix redef

Other:

• keybinds: movegroupwindow-improvement (#2740)
• render: set refresh to 0 for both wl and x11 backends
• screencopy: guard region buffer values in frameDamage
• screencopy: improve shm handling
• screencopy: use wlr_buffer api for shm copies

Special Thanks

Special thanks as usual to those gigachads for donating:

• ThatOneLutenist
• Lipt0nas
• speedboat
• pulsar256
• alukortti
• garypippi

MRs

• movegroupwindow-improvement by @MightyPlaza in https://github.com/hyprwm/Hyprland/pull/2740
• Add bringWindowToTop function to IHyprLayout by @outfoxxed in https://github.com/hyprwm/Hyprland/pull/2747

Full Changelog: https://github.com/hyprwm/Hyprland/compare/v0.27.1...v0.27.2