fix: Use good min/max length params

Author: Arthur Agombart arthur.agombart@gmail.com

src/input-tags.component.js

@@ -37,8 +37,8 @@ class InputTags {
     const tagText = this.getTagText(tag);
     const key = this.keyProperty || this.displayProperty;
     const valid = tagText &&
-      tagText.length >= this.minLength &&
-      tagText.length <= this.maxLength &&
+      this.tags.length >= this.minLength &&
+      this.tags.length <= this.maxLength &&
       !this.tags.some(element => element[key] === tag[key]);
 
     if (this.onTagAdding) {