Use mvn if present otherwise fallback to mvnw

Author: yyoncho

lsp-java.el

@@ -572,7 +572,7 @@ PARAMS progress report notification data."
     (url-copy-file (concat lsp-java--download-root "pom.xml") "pom.xml" t)
     (let ((full-command (format
                          "%s -Djdt.js.server.root=%s -Djunit.runner.root=%s -Djunit.runner.fileName=%s -Djava.debug.root=%s clean package -Djdt.download.url=%s"
-                         (or (lsp-java--prepare-mvnw) (executable-find "mvn"))
+                         (or (executable-find "mvn") (lsp-java--prepare-mvnw))
                          (expand-file-name lsp-java-server-install-dir)
                          (expand-file-name
                           (if (boundp 'dap-java-test-runner)