increase support reliability

The minimum support area is decreased to avoid disconnected support. The support horizontal expansion is increased to allow for more stable support structures. These improvements are possible because of the improvements made in CURA-10152.
PP-303

resources/definitions/ultimaker.def.json

@@ -76,7 +76,7 @@
         },
         "meshfix_maximum_deviation": { "value": "machine_nozzle_size / 10" },
         "meshfix_maximum_resolution": { "value": "max(speed_wall_0 / 75, 0.5)" },
-        "minimum_support_area": { "value": "(2 + support_offset)**2" },
+        "minimum_support_area": { "value": "2" },
         "raft_base_speed": { "value": "raft_speed" },
         "raft_base_thickness": { "value": "min(machine_nozzle_size * 0.75, 0.3)" },
         "raft_interface_fan_speed": { "value": "(raft_base_fan_speed + raft_surface_fan_speed) / 2" },
@@ -114,7 +114,7 @@
         "support_interface_pattern": { "value": "'zigzag'" },
         "support_interface_skip_height": { "value": "layer_height" },
         "support_line_distance": { "minimum_value_warning": "0 if support_structure == 'tree' else support_line_width" },
-        "support_offset": { "value": "support_xy_distance if support_interface_enable else 0" },
+        "support_offset": { "value": "3 if support_interface_enable else 0" },
         "support_use_towers": { "value": false },
         "support_wall_count": { "value": "1 if support_structure == 'tree' else 0" },
         "support_xy_distance": { "value": "1" },