Adding "entity-change-block" flag check for roads

[RedstoneFuture]

Overview

This PR adds the check and restriction for wall/roads in case of EntityChangeBlock events. The used PS flag is still entity-change-block.

Fixes #4524

Description

I don't understand why the road flag is not observed at this point. It is necessary so that the default value “false” of the flag or the configured flag setting is taken into account.

The road flags should actually be validated and completed for all events, but here is the fix for the linked issue.

Submitter Checklist

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[SirYwell]

Looks good.