Fix being able to add more than 4 hashtags to hashtag column in web UI (#17729)
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				@ -40,7 +40,17 @@ class ColumnSettings extends React.PureComponent {
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    }
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					    }
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  };
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					  };
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  onSelect = mode => value => this.props.onChange(['tags', mode], value);
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					  onSelect = mode => value => {
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					    const oldValue = this.tags(mode);
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					    // Prevent changes that add more than 4 tags, but allow removing
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					    // tags that were already added before
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					    if ((value.length > 4) && !(value < oldValue)) {
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					      return;
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					    }
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					    this.props.onChange(['tags', mode], value);
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					  };
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  onToggle = () => {
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					  onToggle = () => {
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    if (this.state.open && this.hasTags()) {
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					    if (this.state.open && this.hasTags()) {
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