perf: render components on first frame (Uniswap#2404)

* fix(nav): render Vote link while awaiting connection

Minimizes layout shift in the normal case.

* perf: inline logo svg

* perf: display connect button for web3 initial state

src/components/Header/index.tsx

@@ -11,8 +11,8 @@ import { useUserHasSubmittedClaim } from 'state/transactions/hooks'
 import { useDarkModeManager } from 'state/user/hooks'
 import { useETHBalances } from 'state/wallet/hooks'
 import styled from 'styled-components/macro'
-import Logo from '../../assets/svg/logo.svg'
-import LogoDark from '../../assets/svg/logo_white.svg'
+import { ReactComponent as Logo } from '../../assets/svg/logo.svg'
+import { ReactComponent as LogoDark } from '../../assets/svg/logo_white.svg'
 import { useActiveWeb3React } from '../../hooks/web3'
 import { ExternalLink, TYPE } from '../../theme'
 import ClaimModal from '../claim/ClaimModal'
@@ -264,7 +264,11 @@ export default function Header() {
       </Modal>
       <Title href=".">
         <UniIcon>
-          <img width={'24px'} src={darkMode ? LogoDark : Logo} alt="logo" />
+          {darkMode ? (
+            <LogoDark width="24px" height="100%" title="logo" />
+          ) : (
+            <Logo width="24px" height="100%" title="logo" />
+          )}
         </UniIcon>
       </Title>
       <HeaderLinks>
@@ -284,7 +288,7 @@ export default function Header() {
         >
           <Trans>Pool</Trans>
         </StyledNavLink>
-        {chainId && chainId === SupportedChainId.MAINNET && (
+        {(!chainId || chainId === SupportedChainId.MAINNET) && (
           <StyledNavLink id={`vote-nav-link`} to={'/vote'}>
             <Trans>Vote</Trans>
           </StyledNavLink>

src/components/Web3Status/index.tsx

@@ -235,14 +235,12 @@ export default function Web3Status() {
   const pending = sortedRecentTransactions.filter((tx) => !tx.receipt).map((tx) => tx.hash)
   const confirmed = sortedRecentTransactions.filter((tx) => tx.receipt).map((tx) => tx.hash)
 
-  if (!contextNetwork.active && !active) {
-    return null
-  }
-
   return (
     <>
       <Web3StatusInner />
-      <WalletModal ENSName={ENSName ?? undefined} pendingTransactions={pending} confirmedTransactions={confirmed} />
+      {(contextNetwork.active || active) && (
+        <WalletModal ENSName={ENSName ?? undefined} pendingTransactions={pending} confirmedTransactions={confirmed} />
+      )}
     </>
   )
 }