cleanup: resolve remaining (outdated) TODOs

src/project.cpp

@@ -440,7 +440,6 @@ Layout *Project::createNewLayout(Layout::SimpleSettings &layoutSettings) {
 }
 
 bool Project::loadLayout(Layout *layout) {
-    // !TODO: make sure this doesn't break anything, maybe do something better. new layouts work too?
     if (!layout->loaded) {
         // Force these to run even if one fails
         bool loadedTilesets = loadLayoutTilesets(layout);

src/ui/collisionpixmapitem.cpp

@@ -50,7 +50,6 @@ void CollisionPixmapItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
 
 void CollisionPixmapItem::draw(bool ignoreCache) {
     if (this->layout) {
-        // !TODO
         this->layout->setCollisionItem(this);
         setPixmap(this->layout->renderCollision(ignoreCache));
         setOpacity(*this->opacity);

src/ui/mapimageexporter.cpp

@@ -93,13 +93,14 @@ void MapImageExporter::saveImage() {
                 break;
             }
             case ImageExporterMode::Timelapse:
-                // !TODO: also need layout editHistory!
+                // Timelapse will play in order of layout changes then map changes (events)
+                // TODO: potentially update in the future?
                 QGifImage timelapseImg;
                 timelapseImg.setDefaultDelay(timelapseDelayMs);
                 timelapseImg.setDefaultTransparentColor(QColor(0, 0, 0));
 
+                // lambda to avoid redundancy
                 auto generateTimelapseFromHistory = [=, this, &timelapseImg](QString progressText, QUndoStack &historyStack){
-                    //
                     QProgressDialog progress(progressText, "Cancel", 0, 1, this);
                     progress.setAutoClose(true);
                     progress.setWindowModality(Qt::WindowModal);