feat: cameras saving/loading

src/content/Content.cpp

@@ -31,7 +31,7 @@ Content::Content(
     UptrsMap<std::string, ContentPackRuntime> packs,
     UptrsMap<std::string, BlockMaterial> blockMaterials,
     UptrsMap<std::string, rigging::SkeletonConfig> skeletons,
-    const ResourceIndicesSet& resourceIndices
+    ResourceIndicesSet resourceIndices
 ) : indices(std::move(indices)),
     packs(std::move(packs)),
     blockMaterials(std::move(blockMaterials)),
@@ -42,7 +42,7 @@ Content::Content(
     drawGroups(std::move(drawGroups))
 {
     for (size_t i = 0; i < RESOURCE_TYPES_COUNT; i++) {
-        this->resourceIndices[i] = resourceIndices[i];
+        this->resourceIndices[i] = std::move(resourceIndices[i]);
     }
 }