x11: Implement Drag and Drop (#17491)

Closes #16225

Release Notes:

- x11: Implemented Drag and Drop.

crates/gpui/src/platform/linux/x11/window.rs

@@ -32,7 +32,24 @@ use std::{
 use super::{X11Display, XINPUT_MASTER_DEVICE};
 x11rb::atom_manager! {
     pub XcbAtoms: AtomsCookie {
+        XA_ATOM,
+        XdndAware,
+        XdndStatus,
+        XdndEnter,
+        XdndLeave,
+        XdndPosition,
+        XdndSelection,
+        XdndDrop,
+        XdndFinished,
+        XdndTypeList,
+        XdndActionCopy,
+        TextUriList: b"text/uri-list",
         UTF8_STRING,
+        TEXT,
+        STRING,
+        TEXT_PLAIN_UTF8: b"text/plain;charset=utf-8",
+        TEXT_PLAIN: b"text/plain",
+        XDND_DATA,
         WM_PROTOCOLS,
         WM_DELETE_WINDOW,
         WM_CHANGE_STATE,