Build: Fix kotlin-compiler-internal-test-framework empty sources jar

Should also pack pack test source set from :compiler:tests-common

Author: 4u7

prepare/kotlin-compiler-internal-test-framework/build.gradle.kts

@@ -11,5 +11,11 @@ dependencies {
 publish()
 
 runtimeJar()
-sourcesJar()
+
+sourcesJar {
+    from {
+        project(":compiler:tests-common").sourceSets["test"].allSource
+    }
+}
+
 javadocJar()