[JS DCE] Add an ability to define overwriting strategy when copying dependencies in dev-mode

* CLI option "-Xdev-mode-overwriting-strategy"
* System Property "kotlin.js.dce.devmode.overwriting.strategy"

Possible values: "older", "all".

#KT-36349 Fixed

compiler/tests/org/jetbrains/kotlin/cli/CliTestGenerated.java

@@ -976,6 +976,11 @@ public class CliTestGenerated extends AbstractCliTest {
             KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/cli/js-dce"), Pattern.compile("^(.+)\\.args$"), null, false);
         }
 
+        @TestMetadata("dceExtraHelp.args")
+        public void testDceExtraHelp() throws Exception {
+            runTest("compiler/testData/cli/js-dce/dceExtraHelp.args");
+        }
+
         @TestMetadata("dceHelp.args")
         public void testDceHelp() throws Exception {
             runTest("compiler/testData/cli/js-dce/dceHelp.args");
@@ -996,11 +1001,6 @@ public class CliTestGenerated extends AbstractCliTest {
             runTest("compiler/testData/cli/js-dce/invalidFilename.args");
         }
 
-        @TestMetadata("jsExtraHelp.args")
-        public void testJsExtraHelp() throws Exception {
-            runTest("compiler/testData/cli/js-dce/jsExtraHelp.args");
-        }
-
         @TestMetadata("nonExistingSourcePath.args")
         public void testNonExistingSourcePath() throws Exception {
             runTest("compiler/testData/cli/js-dce/nonExistingSourcePath.args");