wayland: File drag and drop (#10817)

Implements file drag and drop on Wayland


https://github.com/zed-industries/zed/assets/71973804/febcfbfe-3a23-4593-8dd3-e85254e58eb5


Release Notes:

- N/A

Cargo.lock

@@ -3799,6 +3799,17 @@ dependencies = [
  "util",
 ]
 
+[[package]]
+name = "filedescriptor"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7199d965852c3bac31f779ef99cbb4537f80e952e2d6aa0ffeb30cce00f4f46e"
+dependencies = [
+ "libc",
+ "thiserror",
+ "winapi",
+]
+
 [[package]]
 name = "filetime"
 version = "0.2.22"
@@ -4482,6 +4493,7 @@ dependencies = [
  "derive_more",
  "env_logger",
  "etagere",
+ "filedescriptor",
  "flume",
  "font-kit",
  "foreign-types 0.5.0",