We have a liquibase command that looks something like this:

```sh
/liquibase/liquibase \
       --driver=org.postgresql.Driver \
       --changeLogFile="db.changelog-master.xml" \
       --url=<redacted> \
       --username=<redacted> \
       --password=<redacted> \
       update \
       -Dcoreschema="${core_schema}"
```

After upgrading the CLI from 4.3.3 to 4.4.0, it fails with the following error:

```
Unexpected argument(s): -Dcoreschema=public

For detailed help, try 'liquibase --help' or 'liquibase <command-name> --help'
```

Since the release notes state "this release should be 100% backwards compatible", I expect this is an oversight? Or is there a replacement for the `-Dproperty=value` syntax? I haven't found one looking through `--help` and the [property substitution docs](https://docs.liquibase.com/concepts/basic/changelog-property-substitution.html) at least.

The syntax can also still be found on https://docs.liquibase.com/tools-integrations/cli/home.html:

![image](https://user-images.githubusercontent.com/2620907/122090597-36d63400-ce08-11eb-92e8-d320cd5c5baa.png)


.description("Legacy CLI argument");
                    subCommandSpec.addOption(kabobOptionBuilder.build());
                }
            }
            getParentCommandSpec(commandDefinition, rootCommand).addSubcommand(commandName[commandName.length - 1], new CommandLine(subCommandSpec, defaultFactory));
        }
    }
    private CommandLine.Model.OptionSpec.Builder createArgBuilder(CommandArgumentDefinition<?> def, String argName) {
        return CommandLine.Model.OptionSpec.builder(argName)
                                .required(false)
                                .converters(value -> {
                                    if (def.getDataType().equals(Boolean.class)) {
                                        if (value.equals("")) {
                                            return "true";
                                        }
                                    }
                                    return value;
                                })
                                .type(String.class);
    }
    private List<String[]> expandCommandNames(CommandDefinition commandDefinition) {
        List<String[]> returnList = new ArrayList<>();
        
        final String[] standardName = commandDefinition.getName().clone();
        for (int i = 0; i < standardName.length; i++) {
            standardName[i] = StringUtil.toKabobCase(commandDefinition.getName()[i]);
        }
        returnList.add(standardName);
        if (!StringUtil.join(standardName, " ").equals(StringUtil.join(commandDefinition.getName(), " "))) {
            returnList.add(commandDefinition.getName());