fix(instant): fix tabIndex attribute error

packages/instant/src/components/erc20_token_selector.tsx

@@ -39,7 +39,7 @@ export class ERC20TokenSelector extends React.Component<ERC20TokenSelectorProps>
                     width="100%"
                     value={this.state.searchQuery}
                     onChange={this._handleSearchInputChange}
-                    tabindex={-1}
+                    tabIndex={-1}
                 />
                 <Container overflow="scroll" height="calc(100% - 90px)" marginTop="10px">
                     {_.map(tokens, token => {

packages/instant/src/components/ui/input.tsx

@@ -3,7 +3,7 @@ import * as React from 'react';
 import { ColorOption, styled } from '../../style/theme';
 
 export interface InputProps {
-    tabindex?: number;
+    tabIndex?: number;
     className?: string;
     value?: string;
     width?: string;