gpui: Add the windows-manifest feature to embed manifest, enable by default (#32440)

Gpui's build.rs will embed a manifest file into the Windows binary, but
sometimes we want to customize it, so I added a feature called
`no-windows-manifest` to disable this behavior.

Release Notes:

- N/A

crates/gpui/Cargo.toml

@@ -12,7 +12,7 @@ license = "Apache-2.0"
 workspace = true
 
 [features]
-default = ["http_client", "font-kit", "wayland", "x11"]
+default = ["http_client", "font-kit", "wayland", "x11", "windows-manifest"]
 test-support = [
     "leak-detection",
     "collections/test-support",
@@ -69,7 +69,7 @@ x11 = [
     "open",
     "scap",
 ]
-
+windows-manifest = []
 
 [lib]
 path = "src/gpui.rs"