Make Transaction Overrides Editable in Blueprints (#31)

Updated FThirdwebEngineTransactionOverrides to be fully editable in
Blueprints by changing BlueprintReadOnly to BlueprintReadWrite. This
allows modifying gas and transaction values directly in Unreal Engine

Author: Reejak

Source/Thirdweb/Public/Engine/Transaction/ThirdwebEngineTransactionOverrides.h

@@ -11,16 +11,16 @@ struct THIRDWEB_API FThirdwebEngineTransactionOverrides
 {
 	GENERATED_BODY()
 
-	UPROPERTY(EditAnywhere, BlueprintReadOnly, DisplayName="Gas Limit", Category="Thirdweb|Engine")
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, DisplayName = "Gas Limit", Category = "Thirdweb|Engine")
 	int64 Gas = 0;
 
-	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="Thirdweb|Engine")
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Thirdweb|Engine")
 	int64 MaxFeePerGas = 0;
 
-	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="Thirdweb|Engine")
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Thirdweb|Engine")
 	int64 MaxPriorityFeePerGas = 0;
 
-	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="Thirdweb|Engine")
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Thirdweb|Engine")
 	int64 Value = 0;
 
 	bool IsDefault() const { return Gas == 0 && MaxFeePerGas == 0 && MaxPriorityFeePerGas == 0 && Value == 0; }