packaging: Make install recipe more specific

This ensures we don't install files accidentally

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Part-of: <https://gitlab.gnome.org/GNOME/calls/-/merge_requests/811>

debian/gnome-calls.install

@@ -1,10 +1,11 @@
-/etc
 /usr/bin
-/usr/lib
-/usr/share/applications
-/usr/share/dbus-1
-/usr/share/glib-2.0
-/usr/share/icons
-/usr/share/locale
-/usr/share/man
-/usr/share/metainfo
+/usr/lib/systemd/user/calls-daemon.service
+/usr/share/applications/org.gnome.Calls.desktop
+/usr/share/dbus-1/services/org.gnome.Calls.service
+/usr/share/glib-2.0/schemas/org.gnome.Calls.gschema.xml
+/usr/share/icons/hicolor/scalable/apps/org.gnome.Calls.svg
+/usr/share/icons/hicolor/symbolic/apps/org.gnome.Calls-symbolic.svg
+/usr/share/locale/*/LC_MESSAGES/call-ui.mo
+/usr/share/locale/*/LC_MESSAGES/calls.mo
+/usr/share/man/man1/gnome-calls.1
+/usr/share/metainfo/org.gnome.Calls.metainfo.xml