message: allow mass redaction for members with same or larger power level
diff: @@ -685,7 +685,7 @@ module.exports = createReactClass({
  mute: false,
  modifyLevel: false,
  modifyLevelMax: 0,
  - redactMessages: false,
  + redactMessages: me.powerLevel >= powerLevels.redact,
  };
  const canAffectUser = them.powerLevel < me.powerLevel || isMe;
  @@ -704,7 +704,6 @@ module.exports = createReactClass({
  can.mute = me.powerLevel >= editPowerLevel;
  can.modifyLevel = me.powerLevel >= editPowerLevel && (isMe || me.powerLevel > them.powerLevel);
  can.modifyLevelMax = me.powerLevel;
  - can.redactMessages = me.powerLevel >= powerLevels.redact;
  return can;
  },
  