fix: out of bound bug in heading_bar

use a `saturating_sub` to calculate the column_width

src/docker_data/mod.rs

@@ -424,7 +424,7 @@ impl DockerData {
                     self.gui_state.lock().set_delete_container(None);
                 }
                 DockerMessage::ConfirmDelete(id) => {
-                    self.gui_state.lock().set_delete_container(Some(id))
+                    self.gui_state.lock().set_delete_container(Some(id));
                 }
                 DockerMessage::Update => self.update_everything().await,
                 DockerMessage::Quit => {

src/ui/draw_blocks.rs

@@ -432,7 +432,7 @@ pub fn heading_bar<B: Backend>(
     let info_text = format!("( h ) {suffix} help {MARGIN}",);
     let info_width = info_text.chars().count();
 
-    let column_width = usize::from(area.width) - info_width;
+	let column_width = usize::from(area.width).saturating_sub(info_width);
     let column_width = if column_width > 0 { column_width } else { 1 };
     let splits = if has_containers {
         vec![