Update in_app_search.md

docs/ensembl-help/using-ensembl/viewing-ensembl-data/the_basics/in_app_search.md

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+# In-app search
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 Within the Entity viewer and Genome browser, you can search for genes of interest. To search, click on the magnifying glass icon in the action bar.
 
 Here you can do a simple search for a gene name or ID. The results not ranked and just list the gene name and ID. Click on a search result to see a pop-up giving details of the search result, including links to the Genome Browser and Entity Viewer.