fix(add): Use proper export names when adding adapters (#11935)

* fix(add): Use proper export names when adding adapters

* chore: changeset

Author: Princesseuh

.changeset/green-bulldogs-shout.md

@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes `astro add` not using the proper export point when adding certain adapters

packages/astro/src/cli/add/index.ts

@@ -279,7 +279,7 @@ export async function add(names: string[], { flags }: AddOptions) {
 			if (isAdapter(integration)) {
 				const officialExportName = OFFICIAL_ADAPTER_TO_IMPORT_MAP[integration.id];
 				if (officialExportName) {
-					setAdapter(mod, integration);
+					setAdapter(mod, integration, officialExportName);
 				} else {
 					logger.info(
 						'SKIP_FORMAT',
@@ -447,15 +447,19 @@ function addIntegration(mod: ProxifiedModule<any>, integration: IntegrationInfo)
 	}
 }
 
-export function setAdapter(mod: ProxifiedModule<any>, adapter: IntegrationInfo) {
+export function setAdapter(
+	mod: ProxifiedModule<any>,
+	adapter: IntegrationInfo,
+	exportName: string,
+) {
 	const config = getDefaultExportOptions(mod);
 	const adapterId = toIdent(adapter.id);
 
 	if (!mod.imports.$items.some((imp) => imp.local === adapterId)) {
 		mod.imports.$append({
 			imported: 'default',
 			local: adapterId,
-			from: adapter.packageName,
+			from: exportName,
 		});
 	}