Abstract script compiled module implementation used in saving/caching

removes classloading problem when main-kts is loaded from a CL
without scripting compiler.
Also relax dependencies collection on saving to a jar and hide redundant
logging.
Running main.kts script via a run configuration works now.
#KT-37765 fixed

plugins/scripting/scripting-compiler-impl/src/org/jetbrains/kotlin/scripting/definitions/ScriptiDefinitionsFromClasspathDiscoverySource.kt

@@ -341,7 +341,7 @@ private fun loadScriptDefinition(
                 ScriptDefinition.FromLegacyTemplate(hostConfiguration, cls.kotlin)
             }
         messageReporter(
-            ScriptDiagnostic.Severity.INFO,
+            ScriptDiagnostic.Severity.DEBUG,
             "Added script definition $template to configuration: name = ${def.name}"
         )
         return def

plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/KJvmCompiledModuleInMemoryImpl.kt

@@ -6,9 +6,9 @@
 package org.jetbrains.kotlin.scripting.compiler.plugin.impl
 
 import java.io.Serializable
-import kotlin.script.experimental.jvm.impl.KJvmCompiledModule
+import kotlin.script.experimental.jvm.impl.KJvmCompiledModuleInMemory
 
-class KJvmCompiledModuleInMemory(val compilerOutputFiles: Map<String, ByteArray>) : KJvmCompiledModule,
+class KJvmCompiledModuleInMemoryImpl(override val compilerOutputFiles: Map<String, ByteArray>) : KJvmCompiledModuleInMemory,
     Serializable {
 
     override fun createClassLoader(baseClassLoader: ClassLoader?): ClassLoader =

plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/jvmCompilationUtil.kt

@@ -28,7 +28,7 @@ import kotlin.script.experimental.host.getMergedScriptText
 import kotlin.script.experimental.jvm.impl.KJvmCompiledScript
 
 internal fun makeCompiledModule(generationState: GenerationState) =
-    KJvmCompiledModuleInMemory(
+    KJvmCompiledModuleInMemoryImpl(
         generationState.factory.asList()
             .associateTo(sortedMapOf<String, ByteArray>()) { it.relativePath to it.asByteArray() }
     )