[CLI] Restore K2JVMCompilerArguments.classpath and javaModulePath

to support IDEs < 2023.2

Reverts:
- 9dcd40d7b7
- fb66764c4d

KTIJ-25227

compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/IncrementalFirJvmCompilerRunner.kt

@@ -342,7 +342,7 @@ fun CompilerConfiguration.configureBaseRoots(args: K2JVMCompilerArguments) {
         }
     }
 
-    args.classpath?.forEach { classpathRoot ->
+    args.classpath?.split(File.pathSeparator)?.forEach { classpathRoot ->
         add(
             CLIConfigurationKeys.CONTENT_ROOTS,
             if (isJava9Module) JvmModulePathRoot(File(classpathRoot)) else JvmClasspathRoot(File(classpathRoot))

compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/IncrementalJvmCompilerRunner.kt

@@ -550,7 +550,7 @@ var K2JVMCompilerArguments.destinationAsFile: File
     }
 
 var K2JVMCompilerArguments.classpathAsList: List<File>
-    get() = classpath.orEmpty().map(::File)
+    get() = classpath.orEmpty().split(File.pathSeparator).map(::File)
     set(value) {
-        classpath = value.map { it.path }.toTypedArray()
+        classpath = value.joinToString(separator = File.pathSeparator, transform = { it.path })
     }

compiler/incremental-compilation-impl/test/org/jetbrains/kotlin/incremental/AbstractIncrementalJvmCompilerRunnerTest.kt

@@ -48,14 +48,14 @@ abstract class AbstractIncrementalJvmCompilerRunnerTest : AbstractIncrementalCom
         }
         if (javaSources.isEmpty()) return TestCompilationResult(ExitCode.OK, emptyList(), emptyList())
 
-        val javaClasspath = compileClasspath + kotlinClassesPath
+        val javaClasspath = compileClasspath + File.pathSeparator + kotlinClassesPath
         val javaDestinationDir = File(workingDir, "java-classes").apply {
             if (exists()) {
                 deleteRecursively()
             }
             mkdirs()
         }
-        val args = arrayOf("-cp", javaClasspath.joinToString(File.pathSeparator),
+        val args = arrayOf("-cp", javaClasspath,
                            "-d", javaDestinationDir.canonicalPath,
                            *javaSources.map { it.canonicalPath }.toTypedArray()
         )
@@ -73,12 +73,12 @@ abstract class AbstractIncrementalJvmCompilerRunnerTest : AbstractIncrementalCom
         K2JVMCompilerArguments().apply {
             moduleName = testDir.name
             destination = destinationDir.path
-            classpath = compileClasspath.toTypedArray()
+            classpath = compileClasspath
         }
 
     private val compileClasspath =
         listOf(
             kotlinStdlibJvm,
             KtTestUtil.getAnnotationsJar()
-        ).map { it.canonicalPath }
+        ).joinToString(File.pathSeparator) { it.canonicalPath }
 }