refactor(rust): use eyre::Result uniformly

Matching the emerging style in komorebi for Mac

komorebi-bar/src/widgets/keyboard.rs

@@ -1,6 +1,7 @@
 use crate::config::LabelPrefix;
 use crate::render::RenderConfig;
 use crate::widgets::widget::BarWidget;
+use color_eyre::eyre;
 use eframe::egui::Align;
 use eframe::egui::Context;
 use eframe::egui::Label;
@@ -80,7 +81,7 @@ pub struct Keyboard {
 /// - `Ok(String)`: The name of the active keyboard layout as a valid UTF-8 string.
 /// - `Err(())`: Indicates that the function failed to retrieve the locale name or encountered
 ///   invalid UTF-16 characters during conversion.
-fn get_active_keyboard_layout() -> Result<String, ()> {
+fn get_active_keyboard_layout() -> eyre::Result<String, ()> {
     let foreground_window_tid = unsafe { GetWindowThreadProcessId(GetForegroundWindow(), None) };
     let lcid = unsafe { GetKeyboardLayout(foreground_window_tid) };
 

komorebi-bar/src/widgets/komorebi_layout.rs

@@ -2,6 +2,7 @@ use crate::config::DisplayFormat;
 use crate::render::RenderConfig;
 use crate::selected_frame::SelectableFrame;
 use crate::widgets::komorebi::KomorebiLayoutConfig;
+use color_eyre::eyre;
 use eframe::egui::Context;
 use eframe::egui::CornerRadius;
 use eframe::egui::FontId;
@@ -34,7 +35,7 @@ pub enum KomorebiLayout {
 }
 
 impl<'de> Deserialize<'de> for KomorebiLayout {
-    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    fn deserialize<D>(deserializer: D) -> eyre::Result<Self, D::Error>
     where
         D: Deserializer<'de>,
     {