Method setCsiHandlerFallback

src/server/web/public/terminal.js:4912–4914

(e3)

            } };
          }
          clearCsiHandler(e3) {
            this._csiHandlers[this._identifier(e3)] && delete this._csiHandlers[this._identifier(e3)];
          }
          setCsiHandlerFallback(e3) {
            this._csiHandlerFb = e3;
          }