[ivette] no more need to clear history

ivette/src/renderer/Controller.tsx

@@ -169,17 +169,10 @@ const editor = new RichTextBuffer();
 const RenderConsole = () => {
   const scratch = React.useRef([] as string[]);
   const [cursor, setCursor] = React.useState(-1);
-  const [H0, setH0] = Dome.useState('Controller.history', []);
+  const [history, setHistory] = Dome.useState('Controller.history', []);
   const [isEmpty, setEmpty] = React.useState(true);
   const [noTrash, setNoTrash] = React.useState(true);
 
-  // Cope with merge settings that keeps previous array entries (BUG in DOME)
-  const history = Array.isArray(H0) ? H0.filter((h) => h !== '') : [];
-  const setHistory = (hs: string[]) => {
-    const n = hs.length;
-    setH0(n < 50 ? hs.concat(Array(50 - n).fill('')) : hs);
-  };
-
   Dome.useEmitter(editor, 'change', () => {
     const cmd = editor.getValue().trim();
     setEmpty(cmd === '');