Add outer-only mouse ears and align ear radius controls (#15015)

Improve mouse ear brim controls

src/libslic3r/PrintConfig.cpp

@@ -1937,6 +1937,13 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(1));
 
+    def = this->add("brim_ears_outer_only", coBool);
+    def->label = L("Brim ears outer only");
+    def->category = L("Support");
+    def->tooltip = L("Generate mouse ears only on the outer contour of the model, excluding holes and enclosed sections.");
+    def->mode = comAdvanced;
+    def->set_default_value(new ConfigOptionBool(false));
+
     def = this->add("compatible_printers", coStrings);
     def->label = L("Select printers");
     def->mode = comAdvanced;