Improve drawing export and foundation quantity views

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

수량산출/docs/pdf-plan-verification.json

@@ -0,0 +1,19 @@
+{
+  "threeColumns": true,
+  "viewports": [
+    1920,
+    1366
+  ],
+  "sourceRows": 53,
+  "missingFieldNavigation": true,
+  "accordionInputs": true,
+  "search": true,
+  "workAndMaterialViews": true,
+  "selectionPreviewFormulaSynchronized": true,
+  "inputPersistence": true,
+  "recalculationHighlights": true,
+  "all13SheetPreview": true,
+  "download": true,
+  "legacyMaterials": true,
+  "errors": []
+}