fix: Correctly detect all keyboard layouts

Closes: #1160

See these for more info:
* pop-os/cosmic-applets#725
* lilyinstarlight/nixos-cosmic#484
* lilyinstarlight/nixos-cosmic#74

Also, thanks to @Thatoo for all of the help in figuring this out!

Cargo.lock

@@ -5733,9 +5733,9 @@ dependencies = [
 
 [[package]]
 name = "xkb-data"
-version = "0.1.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "294a599fc9e6a43c9f44f5d6c560b89fd751be413717442b31c17fa367d3c764"
+checksum = "ddbaf7dc9e1a13a8a6dd4beb794d463ae16d150879092c757f4aea2d17b81305"
 dependencies = [
  "serde",
  "serde-xml-rs",

Cargo.toml

@@ -19,7 +19,7 @@ pam-client = "0.5.0"
 pwd.workspace = true
 ron.workspace = true
 shlex = "1.3.0"
-xkb-data = "0.1"
+xkb-data = "0.2"
 xdg = "2.5.2"
 #TODO: reduce features
 tokio = { workspace = true, features = ["full"] }

src/greeter.rs

@@ -282,7 +282,7 @@ pub fn main() -> Result<(), Box<dyn Error>> {
         sessions
     };
 
-    let layouts_opt = match xkb_data::keyboard_layouts() {
+    let layouts_opt = match xkb_data::all_keyboard_layouts() {
         Ok(ok) => Some(Arc::new(ok)),
         Err(err) => {
             log::warn!("failed to load keyboard layouts: {}", err);