select.lua: seek to the currect subtitle line when paused without video

Add an offset to sub seek correctly like in b35e34ae2f. The extra 0.01
offset apparently isn't necessary in this case.

player/lua/select.lua

@@ -239,7 +239,11 @@ mp.add_forced_key_binding(nil, "select-subtitle-line", function ()
         items = sub_lines,
         default_item = default_item,
         submit = function (index)
-            mp.commandv("seek", sub_times[index], "absolute")
+            -- Add an offset to seek to the correct line while paused without a
+            -- video track.
+            local offset = mp.get_property_native("current-tracks/video/image") == false
+                           and 0 or .09
+            mp.commandv("seek", sub_times[index] + offset, "absolute")
         end,
     })
 end)