Prevent default on backspace when not in a text field (#1367)

src/App.tsx

@@ -73,6 +73,9 @@ export function App() {
   useHotkeys('shift + e', () => togglePane('kclErrors'))
   useHotkeys('shift + d', () => togglePane('debug'))
   useHotkeys('esc', () => send('Cancel'))
+  useHotkeys('backspace', (e) => {
+    e.preventDefault()
+  })
   useHotkeys(
     isTauri() ? 'mod + ,' : 'shift + mod + ,',
     () => navigate(filePath + paths.SETTINGS),

src/components/CommandComboBox.tsx

@@ -48,6 +48,7 @@ function CommandComboBox({
               (event.metaKey && event.key === 'k') ||
               (event.key === 'Backspace' && !event.currentTarget.value)
             ) {
+              event.preventDefault()
               commandBarSend({ type: 'Close' })
             }
           }}