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FIX: exception when pressing backspace on empty selection (#7587)
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@ -249,7 +249,7 @@ export default Ember.Mixin.create({
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return;
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}
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if (!this.get("selection").length) return;
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if (!this.selection || !this.selection.length) return;
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if (!Ember.isEmpty(this.get("filter"))) {
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this.clearHighlightSelection();
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