Clean-up coroutines usage in scripting libs and plugin

#KT-30778 fixed (again)

build.gradle.kts

@@ -129,6 +129,7 @@ extra["versions.javaslang"] = "2.0.6"
 extra["versions.ant"] = "1.10.7"
 extra["versions.android"] = "2.3.1"
 extra["versions.kotlinx-coroutines-core"] = "1.5.0"
+extra["versions.kotlinx-coroutines-core-jvm"] = "1.5.0"
 extra["versions.kotlinx-coroutines-jdk8"] = "1.5.0"
 extra["versions.json"] = "20160807"
 extra["versions.native-platform"] = "0.14"

libraries/scripting/dependencies/build.gradle.kts

@@ -8,6 +8,7 @@ project.updateJvmTarget("1.6")
 dependencies {
     compile(kotlinStdlib())
     compile(project(":kotlin-scripting-common"))
+    testCompile(commonDep("org.jetbrains.kotlinx", "kotlinx-coroutines-core"))
     testCompile(commonDep("junit"))
 }