fix(gui): keep the user's place when navigating

A folder opened in My files, Shared with me or Computers kept the scroll
offset of the folder before it, because the rows are swapped in place to
keep a refresh steady. Another folder, a new search and a fresh Photos
load (filter, album, place) now start at the top; a refresh still keeps
its place.

Closing a photo opened from the Places map returns to the map instead of
leaving the town's timeline behind, and the pending open is dropped when
the user leaves the town before it loads.

load_gallery no longer swaps Albums or Places for the timeline when a
page lands late (viewer paging, upload, trash Undo); the timeline is
marked stale and read when the user switches back. Coming back to Photos
reuses the timeline unless it is stale, and the timeline returns
filtered the way the kind tabs and date show after an album or place.

A search in My files is no longer replaced by the folder listing on file
changes, F5 or returning to the page. A favorite set in the viewer shows
on its tile at once.

docs/CHANGELOG.md

@@ -115,6 +115,22 @@ Existing folders stay device backups. Older builds cannot open the upgraded data
 - **Videos over 256 MiB get a thumbnail** (B283). They never got one, and a smaller video was
   downloaded whole into memory for one frame.
 
+- **A folder opens at the top.** A folder opened in My files, Shared with me or Computers could
+  open scrolled to where its parent was left, often at the bottom. Another folder, a new search
+  and a new Photos filter, album or place now start at the top, and a refresh keeps its place.
+
+- **Closing a photo opened from the Places map goes back to the map**, not to the town's
+  timeline.
+
+- **Albums and Places stay on screen.** They could switch to the timeline by themselves when a
+  timeline page arrived late, after an upload or after a trash Undo. Coming back to Photos no
+  longer reloads the timeline and loses its scroll position, unless photos changed while it was
+  out of sight. After an album or a place, the timeline came back unfiltered while the kind tab
+  and the date still showed the filter.
+
+- **A search in My files stays.** It was replaced by the folder's listing whenever files
+  changed, on refresh and on coming back to the page, while the query stayed in the box.
+
 ## [3.7.0] — 2026-11-02
 
 Schema: **44**, unchanged.