show sol balance warning when connected

hooks/useSolBalance.ts

@@ -1,16 +1,18 @@
 import { TokenInstructions } from '@project-serum/serum'
+import { useWallet } from '@solana/wallet-adapter-react'
 import mangoStore from '@store/mangoStore'
 import { useMemo } from 'react'
 import { MIN_SOL_BALANCE } from 'utils/constants'
 
 export default function useSolBalance() {
   const walletTokens = mangoStore((s) => s.wallet.tokens)
+  const { connected } = useWallet()
   const solBalance: number = useMemo(() => {
-    return (
-      walletTokens.find((t) =>
-        t.mint.equals(TokenInstructions.WRAPPED_SOL_MINT)
-      )?.uiAmount || 0
-    )
+    return connected
+      ? walletTokens.find((t) =>
+          t.mint.equals(TokenInstructions.WRAPPED_SOL_MINT)
+        )?.uiAmount || 0
+      : 100
   }, [walletTokens])
 
   const maxSolDeposit: number = useMemo(() => {