Fix Gateway 2025.3 to use zip distribution instead of installer

Author: aseemxs

buildSrc/src/main/kotlin/toolkit-intellij-subplugin.gradle.kts

@@ -95,7 +95,12 @@ dependencies {
 
             create(type, version, useInstaller = false)
         } else {
-            create(IntelliJPlatformType.Gateway, version)
+            val gatewayVersion = version.get()
+            if (gatewayVersion.startsWith("253")) {
+                create(IntelliJPlatformType.Gateway, version, useInstaller = false)
+            } else {
+                create(IntelliJPlatformType.Gateway, version) 
+            }
         }
 
         bundledPlugins(toolkitIntelliJ.productProfile().map { it.bundledPlugins })