feat(dialog) - Support picker mode for open dialog (#3030) (#3034)

Co-authored-by: Andrew de Waal <andrewldewaal@gmail.com>

Cargo.lock

@@ -4565,6 +4565,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "pollster"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f3a9f18d041e6d0e102a0a46750538147e5e8992d3b4873aaafee2520b00ce3"
+
 [[package]]
 name = "poly1305"
 version = "0.8.0"
@@ -5094,7 +5100,9 @@ dependencies = [
  "objc2-app-kit",
  "objc2-core-foundation",
  "objc2-foundation 0.3.0",
+ "pollster",
  "raw-window-handle",
+ "urlencoding",
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
@@ -7739,6 +7747,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "urlencoding"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da"
+
 [[package]]
 name = "urlpattern"
 version = "0.3.0"