Losing filmstrip view when switching viewer

When I'm in Primary view, working on one photo, I have the browser set to 'place below.' I have filmstrip view selected. I like this.

When I hit 'G' to see a view of all photos, the viewer stays in 'filmstrip mode' instead of showing a grid of images. If I click the grid icon (wish I didn't have to do that step), I get a grid view. But when I double click on a photo to switch back to primary view, the browser placed at the bottom stays in grid view making most of my photos unviewable as thumbnails (too big and not continuous strip) instead of remembering my preference for filmstrip.

What am I missing? I'm using C1 Pro 21, build 14.1.0.220.

Thanks!