Mount other directories necessary for flatpak to function

scripts/container-only/.wkdev-sync-runtime-state

@@ -70,19 +70,24 @@ try_mount_host_pipewire() {
 }
 
 mount_host_flatpak_instance_data() {
-    local host_flatpak_instance_dir="/host/run/.flatpak"
-    local container_flatpak_instance_dir="${XDG_RUNTIME_DIR}/.flatpak"
 
-    # WebKit's sandbox writes to this directory for xdg-desktop-portal to read
+    # WebKit's sandbox writes to .flatpak for xdg-desktop-portal to read
     # our bwrapinfo.json file from to map PIDs. This works as our podman container
     # is not in its own pidns.
 
-    if [ -d "${container_flatpak_instance_dir}" ]; then
-        rm -r "${container_flatpak_instance_dir}"
-    fi
+    # The others are just needed for flatpaks to function in general.
+
+    for dir in '.flatpak' '.flatpak-helper' 'doc'; do
+        local host_flatpak_instance_dir="/host/run/${dir}"
+        local container_flatpak_instance_dir="${XDG_RUNTIME_DIR}/${dir}"
+
+        if [ -d "${container_flatpak_instance_dir}" ]; then
+            rm -r "${container_flatpak_instance_dir}"
+        fi
 
-    mkdir --mode=0700 --parents "${host_flatpak_instance_dir}"
-    ln -s "${host_flatpak_instance_dir}" "${container_flatpak_instance_dir}"
+        mkdir --mode=0700 --parents "${host_flatpak_instance_dir}"
+        ln -s "${host_flatpak_instance_dir}" "${container_flatpak_instance_dir}"
+    done
 }
 
 # Main functionality