send server wallet txn for native transfer fix (#8701)

<!-- start pr-codex -->

## PR-Codex overview
This PR focuses on normalizing the token address in the `SendProjectWalletModalContent` function to ensure consistency when interacting with the contract. It simplifies the handling of the native token address and adjusts how data is passed to the mutation.

### Detailed summary
- Added `normalizedTokenAddress` to handle token address normalization.
- Adjusted the condition to check `normalizedTokenAddress` instead of `values.tokenAddress`.
- Updated the contract call to use `normalizedTokenAddress`.
- Modified the mutation to include `normalizedTokenAddress` only if it exists.
- Changed the mutation call from `void sendMutation.mutateAsync(values)` to `sendMutation.mutate(values)`.

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<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit

* **Bug Fixes**
  * Improved native token handling in the project wallet so native tokens are correctly recognized for balance display and transfers.
  * More reliable token decimal detection to ensure accurate balance reads.
  * Fixed send flow to reduce submission issues and make fund transfers more dependable.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: nischitpra

apps/dashboard/src/app/(app)/team/[team_slug]/[project_slug]/(sidebar)/components/project-wallet/project-wallet-details.tsx

@@ -20,6 +20,7 @@ import {
   createThirdwebClient,
   Engine,
   getContract,
+  NATIVE_TOKEN_ADDRESS,
   readContract,
   type ThirdwebClient,
   toUnits,
@@ -889,11 +890,16 @@ function SendProjectWalletModalContent(props: SendProjectWalletModalProps) {
 
   const sendMutation = useMutation({
     mutationFn: async (values: SendFormValues) => {
+      const normalizedTokenAddress =
+        values.tokenAddress?.toLowerCase() ===
+        NATIVE_TOKEN_ADDRESS.toLowerCase()
+          ? undefined
+          : values.tokenAddress;
       let decimals = 18;
-      if (values.tokenAddress) {
+      if (normalizedTokenAddress) {
         const decimalsRpc = await readContract({
           contract: getContract({
-            address: values.tokenAddress,
+            address: normalizedTokenAddress,
             chain: selectedChain,
             client,
           }),
@@ -914,7 +920,9 @@ function SendProjectWalletModalContent(props: SendProjectWalletModalProps) {
         teamId,
         walletAddress,
         secretKey: secretKeyValue,
-        ...(values.tokenAddress ? { tokenAddress: values.tokenAddress } : {}),
+        ...(normalizedTokenAddress
+          ? { tokenAddress: normalizedTokenAddress }
+          : {}),
         ...(vaultAccessTokenValue
           ? { vaultAccessToken: vaultAccessTokenValue }
           : {}),
@@ -956,7 +964,7 @@ function SendProjectWalletModalContent(props: SendProjectWalletModalProps) {
       <Form {...form}>
         <form
           onSubmit={form.handleSubmit((values) => {
-            void sendMutation.mutateAsync(values);
+            sendMutation.mutate(values);
           })}
         >
           <div className="space-y-4 px-4 pb-8 lg:px-6">