fix(pipelines): show the actual sandbox scope restriction (#2527)

Co-authored-by: dadachann <185672915+dadachann@users.noreply.github.com>

web/src/app/home/pipelines/components/pipeline-form/BoxScopeContext.ts

@@ -0,0 +1,14 @@
+/** Unavailability takes priority over the deployment's scope restriction. */
+export function getBoxScopeContext(
+  boxAvailable: boolean,
+  forcedTemplate?: string,
+) {
+  forcedTemplate = forcedTemplate?.trim();
+  return {
+    box_available: boxAvailable,
+    box_scope_editable: boxAvailable && !forcedTemplate,
+    // Only expose forced-scope reasons when the sandbox is available.
+    box_scope_forced: boxAvailable && !!forcedTemplate,
+    box_scope_forced_global: boxAvailable && forcedTemplate === '{global}',
+  };
+}