Use inscription, not label, for input paths

Inscriptions allow me to specify that they should add ellipses at the
beginning when there's not enough space.

src/main.c

@@ -627,8 +627,10 @@ static void file_factory_setup_callback(
 
 	(void) factory;
 
-	GtkWidget* file_label = gtk_label_new( "" );
+	GtkWidget* file_label = gtk_inscription_new( "" );
 	gtk_list_item_set_child( list_item, file_label );
+	gtk_inscription_set_text_overflow( GTK_INSCRIPTION( file_label ),
+		GTK_INSCRIPTION_OVERFLOW_ELLIPSIZE_START );
 
 }
 
@@ -639,7 +641,7 @@ static void file_factory_bind_callback(
 
 	GtkWidget* file_label = gtk_list_item_get_child( list_item );
 	Input* input = gtk_list_item_get_item( list_item );
-	gtk_label_set_text( GTK_LABEL( file_label ),
+	gtk_inscription_set_text( GTK_INSCRIPTION( file_label ),
 		input->input->source->file_path );
 
 }