Update IntelliJ platform configuration

- Use `useInstaller = true` for `intellijIdeaCommunity` dependency
- Format `intellijPlatform` block for better readability

Author: TrueNine

ide/ide-idea-mcp/build.gradle.kts

@@ -8,13 +8,14 @@ plugins {
 description = "IntelliJ IDEA plugin for Compose Server MCP integration"
 
 repositories {
-  mavenCentral()
-  intellijPlatform { defaultRepositories() }
+  intellijPlatform {
+    defaultRepositories()
+  }
 }
 
 dependencies {
   intellijPlatform {
-    intellijIdeaCommunity(libs.versions.intellij.platform.asProvider().get())
+    intellijIdeaCommunity(libs.versions.intellij.platform.asProvider().get(), useInstaller = true)
 
     bundledPlugin("org.jetbrains.plugins.terminal")
     bundledPlugin("Git4Idea")