fix: alignment

lact-gui/src/app/root_stack/mod.rs

@@ -21,7 +21,7 @@ pub struct RootStack {
 
 impl RootStack {
     pub fn new() -> Self {
-        let container = Stack::new();
+        let container = Stack::builder().vexpand(true).build();
 
         let info_page = InformationPage::new();
 

lact-gui/src/app/root_stack/oc_page/power_cap_frame.rs

@@ -35,7 +35,11 @@ impl PowerCapFrame {
             });
         }
 
-        let scale = Scale::new(Orientation::Horizontal, Some(&adjustment));
+        let scale = Scale::builder()
+            .orientation(Orientation::Horizontal)
+            .adjustment(&adjustment)
+            .hexpand(true)
+            .build();
 
         scale.set_draw_value(false);