fix: optimization: PVS-Studio warning V813

Passing large objects by const reference avoids unnecessary copying and enhances efficiency.

Reported by: PVS-Studio
Signed-off-by: Vyacheslav Ivanov <islavaivanov76@gmail.com>

src/graphics/render/WorldRenderer.cpp

@@ -230,10 +230,12 @@ void WorldRenderer::renderBlockSelection() {
         : block->hitboxes;
 
     lineBatch->lineWidth(2.0f);
+    constexpr auto boxOffset = glm::vec3(0.02);
+    constexpr auto boxColor = glm::vec4(0.f, 0.f, 0.f, 0.5f);
     for (auto& hitbox: hitboxes) {
         const glm::vec3 center = glm::vec3(pos) + hitbox.center();
         const glm::vec3 size = hitbox.size();
-        lineBatch->box(center, size + glm::vec3(0.02), glm::vec4(0.f, 0.f, 0.f, 0.5f));
+        lineBatch->box(center, size + boxOffset, boxColor);
         if (player->debug) {
             lineBatch->line(point, point+norm*0.5f, glm::vec4(1.0f, 0.0f, 1.0f, 1.0f));
         }
@@ -340,12 +342,12 @@ void WorldRenderer::draw(
             ctx.setDepthTest(true);
             ctx.setCullFace(true);
             renderLevel(ctx, camera, settings, delta, pause);
-            // Debug lines
+
             if (hudVisible){
                 renderLines(camera, linesShader, ctx);
             }
         }
-
+        // Debug lines
         if (hudVisible && player->debug) {
             renderDebugLines(wctx, camera, linesShader);
         }