fix(admin): keep account photos out of the media library

internal/admin/media_routes.go

@@ -19,6 +19,25 @@ func (a *Admin) registerMediaRoutes(mux *http.ServeMux) {
 func (a *Admin) handleMediaLibrary(w http.ResponseWriter, r *http.Request) {
 	data := a.pageData(r)
 	items := a.deps.Store.ListMedia()
+	// A profile photo of any account is not library content. Avatars
+	// stored since the avatar directory existed never reach this list
+	// at all; the filter keeps the flat photos of installations that
+	// predate it out of the tiles the same way.
+	photos := make(map[string]bool)
+	for _, user := range a.deps.Users.All() {
+		if user.Photo != "" {
+			photos[user.Photo] = true
+		}
+	}
+	if len(photos) > 0 {
+		filtered := items[:0]
+		for _, item := range items {
+			if !photos[item.URL] {
+				filtered = append(filtered, item)
+			}
+		}
+		items = filtered
+	}
 	data.MediaItems = mediaRows(items)
 	data.MediaTotal = humanSize(totalSize(items))
 	data.Crumbs = []Crumb{{Label: "Media", IsLast: true, UI: true}}