Add canvas size disable controls

src/data/templates.js

@@ -264,13 +264,18 @@ async function buildTemplatePayload(pool, req, existingTemplate) {
 
   let resolvedCanvasSizeId = canvasSizeId;
   if (resolvedCanvasSizeId) {
-    const [canvasSizes] = await pool.query('SELECT id, name, width, height, created_at, modified_at, created_by, modified_by FROM c_canvas_sizes WHERE id = ?', [resolvedCanvasSizeId]);
+    const [canvasSizes] = await pool.query('SELECT id, name, width, height, enabled, created_at, modified_at, created_by, modified_by FROM c_canvas_sizes WHERE id = ?', [resolvedCanvasSizeId]);
     const canvasSize = canvasSizes[0];
     if (!canvasSize) {
       const error = new Error('Canvas size not found.');
       error.statusCode = 400;
       throw error;
     }
+    if ((canvasSize.enabled === 0 || canvasSize.enabled === false) && (!existingTemplate || Number(existingTemplate.canvas_size_id) !== Number(canvasSize.id))) {
+      const error = new Error('Canvas size is disabled.');
+      error.statusCode = 400;
+      throw error;
+    }
     canvasWidth = Number(canvasSize.width);
     canvasHeight = Number(canvasSize.height);
   } else {