Refactor Load functionality into its own function

src/RollABall/Assets/Scripts/RenderSettings/SettingsWindow/RenderSettingsWindow.cs

@@ -38,6 +38,20 @@ public class RenderSettingsWindow : EditorWindow {
 			}
 		}
 
+		void LoadPreset() {
+			IRenderSettingPreset preset = settingsLoader.GetLoadedPreset();
+			if (CheckPresetNameInUse(preset.GetName())) {
+			if (UserWantsToOverwritePreset(preset.GetName())) {
+				RemovePresetWithName(preset.GetName());
+				presets.Add(preset);
+				presetCollapsedDict.Add(preset, isNotCollapsed);
+			}
+			} else {
+			presets.Add(preset);
+			presetCollapsedDict.Add(preset, isNotCollapsed);
+			}
+		}
+
 		void OnGUI() {
 			scrollPosition = EditorGUILayout.BeginScrollView(scrollPosition);
 			if (presets.Count == 0) {
@@ -54,17 +68,7 @@ public class RenderSettingsWindow : EditorWindow {
 				isCreatingPreset = true;
 			} else if (GUILayout.Button("Load preset")) {
 				if (settingsLoader.Load()){
-						IRenderSettingPreset preset = settingsLoader.GetLoadedPreset();
-					if (CheckPresetNameInUse(preset.GetName())) {
-						if (UserWantsToOverwritePreset(preset.GetName())) {
-							RemovePresetWithName(preset.GetName());
-							presets.Add(preset);
-							presetCollapsedDict.Add(preset, isNotCollapsed);
-						}
-					} else {
-						presets.Add(preset);
-						presetCollapsedDict.Add(preset, isNotCollapsed);
-					}
+						LoadPreset();
 				}
 			}