[stdlib-mpp] Publish patched/custom kpsm to list 'commonMain' included into 'nativeApiElements'

Native/Shared Source Sets still requires stdlib:commonMain.klib as
dependency for IDE analysis.

See: KT-56278
^KT-60901 Verification Pending

libraries/stdlib/build.gradle.kts

@@ -743,6 +743,37 @@ tasks {
     if (project.hasProperty("kotlin.stdlib.test.long.running")) {
         check.configure { dependsOn(jvmLongRunningTest) }
     }
+
+    /*
+    We are using a custom 'kotlin-project-structure-metadata' to ensure 'nativeApiElements' lists 'commonMain' as source set
+    */
+    val generateProjectStructureMetadata by existing {
+        val outputFile = file("build/kotlinProjectStructureMetadata/kotlin-project-structure-metadata.json")
+        val outputTestFile = file("kotlin-project-structure-metadata.beforePatch.json")
+        val patchedFile = file("kotlin-project-structure-metadata.json")
+
+        inputs.file(patchedFile)
+        inputs.file(outputTestFile)
+
+        doLast {
+            /*
+            Check that the generated 'outputFile' by default matches our expectations stored in the .beforePatch file
+            This will fail if the kotlin-project-structure-metadata.json file would change unnoticed (w/o updating our patched file)
+             */
+            run {
+                val outputFileText = outputFile.readText().trim()
+                val expectedFileContent = outputTestFile.readText().trim()
+                if (outputFileText != expectedFileContent)
+                    error(
+                        "${outputFile.path} file content does not match expected content\n\n" +
+                                "expected:\n\n$expectedFileContent\n\nactual:\n\n$outputFileText"
+                    )
+            }
+
+            patchedFile.copyTo(outputFile, overwrite = true)
+        }
+    }
+
 }