Onboarding: use lowercased DAI addresses (#1444)

Author: sohkai

src/templates/dandelion/components/TokenSelector/TokenSelector.js

@@ -76,10 +76,10 @@ function TokenSelector({
   return (
     <div
       css={`
-          display: ${showCustomHorizontal ? 'flex' : 'block'};
-          align-items: flex-end;
-          width 100%;
-        `}
+        display: ${showCustomHorizontal ? 'flex' : 'block'};
+        align-items: flex-end;
+        width 100%;
+      `}
     >
       <DropDown
         header="Token"

src/templates/dandelion/config/helpers/tokens.js

@@ -3,7 +3,7 @@ import { network } from '../../../../environment'
 export const ETHER_TOKEN_FAKE_ADDRESS =
   '0x0000000000000000000000000000000000000000'
 
-const DAI_RINKEBY_TOKEN_ADDRESS = '0x0527E400502d0CB4f214dd0D2F2a323fc88Ff924'
+const DAI_RINKEBY_TOKEN_ADDRESS = '0x0527e400502d0cb4f214dd0d2f2a323fc88ff924'
 const DAI_MAINNET_TOKEN_ADDRESS = '0x6b175474e89094c44da98b954eedeac495271d0f'
 
 const DAI_TOKEN = {