When you're a report author and probably owns a lot of workspaces, you may experience the same as I do currently. When publishing content to an app-workspace I'll get a list of all my available works...
Few votes are also here: https://ideas.powerbi.com/forums/265200-power-bi-ideas/suggestions/33236242-ability-to-search-for-workspace-name-before-publis and here: https://community.powerbi.com/t5/Issues/Slicer-Search-Box-desappears-when-publishing-dashboard/idi-p/106079 and here: https://ideas.powerbi.com/forums/265200-power-bi-ideas/suggestions/36270724-search-box-when-publishing and here: https://community.powerbi.com/t5/Custom-Visuals-Ideas/Search-bar-when-publish-to-Power-BI-Service-search-for-workspace/idc-p/998208#M524
