Fix charset drawing

Fixes xtermjs#1565

Author: Tyriar

src/InputHandler.ts

@@ -335,6 +335,8 @@ export class InputHandler extends Disposable implements IInputHandler {
     for (let stringPosition = start; stringPosition < end; ++stringPosition) {
       char = data.charAt(stringPosition);
       code = data.charCodeAt(stringPosition);
+      console.log('char', char);
+      console.log('code', code);
 
       // surrogate pair handling
       if (0xD800 <= code && code <= 0xDBFF) {
@@ -359,9 +361,9 @@ export class InputHandler extends Disposable implements IInputHandler {
       chWidth = wcwidth(code);
 
       // get charset replacement character
-      // FIXME: Should code be replaced as well?
       if (charset) {
         char = charset[char] || char;
+        code = char.charCodeAt(0);
       }
 
       if (screenReaderMode) {