As per this KoryKramer post, https://community.esri.com/t5/arcgis-pro-ideas/arcgis-pro-linking-map-view-to-layout-view/idc-p/1207...
There is often a need to have a map view zoomed to the same extent of a map frame in a layout view. Recently ArcGIS Pro implemented a feature to zoom a layout view's map frame to the extent of either the last active map or to a selected map. But it would be useful to have a similar feature that also does it the other way around.
This feature should be available in a map view, and also in an activated map frame (although in the latter case, it should not include the current map frame in the list of map frames to use as the source extent to zoom to).