[Analysis API Standalone] simplify adding multiple binary roots for KtBinaryModuleBuilder

^KT-60884

analysis/analysis-api-standalone/src/org/jetbrains/kotlin/analysis/project/structure/builder/KtBinaryModuleBuilder.kt

@@ -9,5 +9,13 @@ import java.nio.file.Path
 
 @KtModuleBuilderDsl
 public abstract class KtBinaryModuleBuilder : KtModuleBuilder() {
-    public lateinit var binaryRoots: Collection<Path>
+    protected val binaryRoots: MutableList<Path> = mutableListOf()
+
+    public fun addBinaryRoot(root: Path) {
+        binaryRoots.add(root)
+    }
+
+    public fun addBinaryRoots(roots: Collection<Path>) {
+        binaryRoots.addAll(roots)
+    }
 }

analysis/analysis-api-standalone/src/org/jetbrains/kotlin/analysis/project/structure/impl/KtModuleUtils.kt

@@ -151,7 +151,7 @@ internal fun buildKtModuleProviderByCompilerConfiguration(
     compilerConfig: CompilerConfiguration,
     ktFiles: List<KtFile>,
 ): KtStaticProjectStructureProvider = buildProjectStructureProvider(kotlinCoreProjectEnvironment) {
-    val (scriptFiles, ordinaryFiles) = ktFiles.partition { it.isScript() }
+    val (scriptFiles, _) = ktFiles.partition { it.isScript() }
     val platform = JvmPlatforms.defaultJvmPlatform
 
     fun KtModuleBuilder.addModuleDependencies(moduleName: String) {
@@ -159,7 +159,7 @@ internal fun buildKtModuleProviderByCompilerConfiguration(
         addRegularDependency(
             buildKtLibraryModule {
                 this.platform = platform
-                binaryRoots = libraryRoots.map { it.toPath() }
+                addBinaryRoots(libraryRoots.map { it.toPath() })
                 libraryName = "Library for $moduleName"
             }
         )
@@ -171,7 +171,7 @@ internal fun buildKtModuleProviderByCompilerConfiguration(
             addRegularDependency(
                 buildKtSdkModule {
                     this.platform = platform
-                    this.binaryRoots = binaryRoots
+                    addBinaryRoots(binaryRoots)
                     sdkName = "JDK for $moduleName"
                 }
             )