Add setting for minimum layer time with overhang

CURA-12352

resources/definitions/fdmprinter.def.json

@@ -4699,6 +4699,19 @@
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
                 },
+                "cool_min_layer_time_overhang":
+                {
+                    "label": "Minimum Layer Time with Overhang",
+                    "description": "The minimum time spent in a layer that contains overhanging extrusions. This forces the printer to slow down, to at least spend the time set here in one layer. This allows the printed material to cool down properly before printing the next layer. Layers may still take shorter than the minimal layer time if Lift Head is disabled and if the Minimum Speed would otherwise be violated.",
+                    "unit": "s",
+                    "type": "float",
+                    "default_value": 5,
+                    "value": "cool_min_layer_time",
+                    "minimum_value": "0",
+                    "maximum_value_warning": "600",
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
                 "cool_min_speed":
                 {
                     "label": "Minimum Speed",

resources/setting_visibility/expert.cfg

@@ -248,6 +248,7 @@ cool_fan_speed_0
 cool_fan_full_at_height
 cool_fan_full_layer
 cool_min_layer_time
+cool_min_layer_time_overhang
 cool_min_speed
 cool_lift_head
 cool_during_extruder_switch