Added settings Multiply infill and Connect Infill to Visibility list( Advanced and Expert)

CURA-5400

resources/setting_visibility/advanced.cfg

@@ -37,6 +37,7 @@ infill_extruder_nr
 infill_sparse_density
 infill_line_distance
 infill_pattern
+infill_multiplier
 infill_overlap
 infill_sparse_thickness
 gradual_infill_steps

resources/setting_visibility/expert.cfg

@@ -37,6 +37,7 @@ bottom_thickness
 bottom_layers
 top_bottom_pattern
 top_bottom_pattern_0
+connect_skin_polygons
 skin_angles
 wall_0_inset
 optimize_wall_printing_order
@@ -73,6 +74,8 @@ infill_sparse_density
 infill_line_distance
 infill_pattern
 zig_zaggify_infill
+connect_infill_polygons
+infill_multiplier
 infill_angles
 infill_offset_x
 infill_offset_y