SaraFem's file picker without a password where possible; clearer pkexec errors; portals.conf without a desktop name

Co-Authored-By: Claude Opus 5.5 <[email protected]>

Programs/SaraFem/Manifest.toml

@@ -18,7 +18,7 @@ RequirementsFile = "requirements.txt"
 [[Options]]
 Platform = "Linux"
 Id = "FilePicker"
-Label = "Use SaraFem as the system file picker (asks for your password: the portal file lives in /usr/share)"
+Label = "Use SaraFem as the system file picker"
 Default = true
 
 [[Options]]
@@ -48,16 +48,18 @@ Option = "FilePicker"
 [[Templates]]
 Platform = "Linux"
 Source = "SaraFem.portal"
-Target = "/usr/share/xdg-desktop-portal/portals/SaraFem.portal"
+# In your own folder where xdg-desktop-portal is new enough (1.17+); in
+# /usr/share, through pkexec, on older systems.
+Target = "{PortalsDir}/SaraFem.portal"
 Option = "FilePicker"
-Root = true
+Root = "Auto"
 
 [[IniEdits]]
 Platform = "Linux"
-File = "{ConfigHome}/xdg-desktop-portal/{Desktop}-portals.conf"
+File = "{ConfigHome}/xdg-desktop-portal/{PortalsConf}"
 Section = "preferred"
 Key = "org.freedesktop.impl.portal.FileChooser"
-Value = "SaraFem;{Desktop};gtk;"
+Value = "SaraFem;{DesktopPortal}gtk;"
 Option = "FilePicker"
 
 [[IniEdits]]