Ability to copy/paste files from the system file manager

Summary Currently, the clipboard copy/paste functionality in Zed has the following limitations: System to Zed: Cannot paste files copied from the system (Finder/Explorer/etc.) into Zed via clipboard (Ctrl/Cmd+V) Workaround: File drag-and-drop works Zed to System: Cannot copy files from Zed and paste them into system folders via clipboard Expected Behavior: Support cross-application file transfer via clipboard (both directions): Copy file in system → Paste in Zed (as alternative to drag-and-drop) Copy file in Zed → Paste in system file manager Reproduction Steps: Copy a file in system file manager (Ctrl+C / Cmd+C) Try to paste in Zed (Ctrl+V / Cmd+V) → Fails Copy a file in Zed's file tree Try to paste in system file manager → Fails Environment: Zed version: [your version] OS: MacOS, 15.4 Beta (24E5222f) Additional Context: This would improve workflow efficiency, especially when working with frequent file transfers between Zed and other applications. Zed Version…