JS: rename "-library-files" argument to "-libraries" and change separator

Use the system separator (':' or ';') instead of commas

 #KT-16083 Fixed

compiler/testData/cli/js/jsHelp.out

@@ -2,7 +2,7 @@ Usage: kotlinc-js <options> <source files>
 where possible options include:
   -output <path>             Output file path
   -no-stdlib                 Don't use bundled Kotlin stdlib
-  -library-files <path[,]>   Path to zipped library sources or kotlin files separated by commas
+  -libraries <path>          Paths to Kotlin libraries with .meta.js and .kjsm files, separated by system file separator
   -source-map                Generate source map
   -meta-info                 Generate .meta.js and .kjsm files with metadata. Use to create a library
   -target { v5 }             Generate JS files for specific ECMA version

compiler/testData/cli/js/libraryDirNotFound.args

@@ -1,5 +1,5 @@
 $TESTDATA_DIR$/withLib.kt
--library-files
+-libraries
 not/existing/path
 -output
 $TEMP_DIR$/out.js

compiler/testData/cli/js/notValidLibraryDir.args

@@ -1,5 +1,5 @@
 $TESTDATA_DIR$/withLib.kt
--library-files
+-libraries
 compiler/testData/integration/ant/js/simpleWithStdlibAndFolderAsAnotherLib
 -output
 $TEMP_DIR$/out.js

compiler/testData/cli/js/withFolderAsLib.args

@@ -1,5 +1,5 @@
 $TESTDATA_DIR$/withLib.kt
--library-files
+-libraries
 compiler/testData/integration/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example
 -output
 $TEMP_DIR$/out.js

compiler/testData/cli/js/withLib.args

@@ -1,5 +1,5 @@
 $TESTDATA_DIR$/withLib.kt
--library-files
+-libraries
 compiler/testData/integration/ant/js/simpleWithStdlibAndAnotherLib/jslib-example.jar
 -output
 $TEMP_DIR$/out.js

compiler/testData/cli/js/wrongAbiVersion.args

@@ -1,6 +1,6 @@
 $TESTDATA_DIR$/simple2js.kt
 -no-stdlib
--library-files
+-libraries
 $TESTDATA_DIR$/wrongAbiVersionLib/wrongAbiLib.meta.js
 -output
 $TEMP_DIR$/out.js