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Keep the parent expanded while searching a child

Hi team,

Is there any possibility to keep parent expanded when searching for a child? Please refer this StackBlitz project.


Also when we are typing logo flickers if it is a broken image. We replaced the broken images with a default image when an error occurs.( using the following css class). Default image also flickers when searching a child.

.e-list-img::before {
                    content: ' ';
                    display: block;
                    position: absolute;
                    background-color: 'white';
                    height: 30px !important;
                    width: 30px !important;
                    background-image: url(/static/placeholder-logo.png);
                    background-position: center;
                    background-size: cover;

Please let us know if you have solutions on these issues.

Best Regards.

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