text: Launch input method in text_backend_init

Previously we tried to launch the input method every time a seat was
created, and the launch function would notice it was running and not
bother to actually launch.

Signed-off-by: Derek Foreman <derekf@osg.samsung.com>

src/text-backend.c

@@ -1005,8 +1005,6 @@ text_backend_seat_created(struct text_backend *text_backend,
 	wl_signal_add(&seat->destroy_signal, &input_method->destroy_listener);
 
 	seat->input_method = input_method;
-
-	launch_input_method(text_backend);
 }
 
 static void
@@ -1071,5 +1069,7 @@ text_backend_init(struct weston_compositor *ec)
 
 	text_input_manager_create(ec);
 
+	launch_input_method(text_backend);
+
 	return text_backend;
 }