build scripts: zip compression should not fail for missing directory (for example, if a module has no production output)

GitOrigin-RevId: 944d101f85f97afcbc36af7d1f7740d454270a84

build/tasks/src/org/jetbrains/intellij/build/io/zip.kt

@@ -113,6 +113,7 @@ internal fun compressDir(startDir: Path, archiver: ZipArchiver, excludes: List<P
   val tempList = ArrayList<Path>()
   while (true) {
     val dir = dirCandidates.pollFirst() ?: break
+    if (!Files.exists(dir)) break
     tempList.clear()
     Files.newDirectoryStream(dir).use {
       if (excludes == null) {