fix import order in TabsWithButtons

Author: AlvaroBrey

examples/paywall-tester/src/main/java/com/revenuecat/paywallstester/paywalls/TabsWithButtons.kt

@@ -40,8 +40,8 @@ import com.revenuecat.purchases.paywalls.components.properties.SizeConstraint.Fi
 import com.revenuecat.purchases.paywalls.components.properties.SizeConstraint.Fit
 import com.revenuecat.purchases.paywalls.components.properties.TwoDimensionalAlignment
 import com.revenuecat.purchases.paywalls.components.properties.VerticalAlignment
-import java.net.URL
 import kotlinx.serialization.json.JsonPrimitive
+import java.net.URL
 
 @Suppress("LongMethod")
 @OptIn(InternalRevenueCatAPI::class)