fix: clean up unused variables and imports

src/ui/editor.rs

@@ -120,7 +120,6 @@ pub fn build_editor_page(
         let composite = Rc::clone(&composite);
         let swatches_box = swatches_box.clone();
         let refresh_preview = refresh_preview.clone();
-        let rebuild_swatches_for_closure = Rc::clone(&rebuild_swatches);
 
         let build_fn = move || {
             while let Some(child) = swatches_box.first_child() {

src/ui/picker.rs

@@ -1,5 +1,4 @@
 use crate::icon_index::{filter_icons, list_svg_icons};
-use gtk::glib;
 use gtk::prelude::*;
 use gtk::{Box as GtkBox, FlowBox, Label, Orientation, Picture, ScrolledWindow, SearchEntry};
 use std::cell::RefCell;