• add chat hover event filter
• add command filters

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• Please check if the PR fulfills these requirements

• The commit message are well described
• Docs have been added / updated (for features or maybe bugs which were noted). If not, please update the needed documentation here. This is not mandatory
• All changes have fully been tested

• What kind of change does this PR introduce? (Bug fix, feature, ...)
  Bug fix

• What is the current behavior? (You can also link to an open issue here)

  • Send invalid nbt of some mod item through chatbox can cause client crash #617
  • Chatbox can spoof people to click message to run danger commands #618

• What is the new behavior (if this is a feature change)?

• Does this PR introduce a breaking change? (What changes might users need to make in their scripts due to this PR?)
  No, but if some user trying to perform sensitive action, it will be replaced

• Other information: