add a join function so args don't get passed in malformed ways

Former-commit-id: 5c05c3ee0f
Former-commit-id: 1472c7d0e99f842a16f61c7815b101403ab77c44

src/java/net/i2p/i2pfirefox/I2PFirefox.java

@@ -440,7 +440,7 @@ public class I2PFirefox extends I2PCommonBrowser {
       }
       if (isOSX()) {
         String argString =
-            Arrays.toString(Arrays.copyOfRange(newArgs, 1, newArgs.length));
+            join(Arrays.copyOfRange(newArgs, 1, newArgs.length));
         String[] finalArgs = {"open", newArgs[0], "--args", argString};
         return new ProcessBuilder(finalArgs).directory(
             I2PFirefoxProfileBuilder.runtimeDirectory(true));