fix: accidentally skipped peer dependencies

ref #2919

.changeset/tricky-toes-act.md

@@ -0,0 +1,5 @@
+---
+"@pnpm/resolve-dependencies": patch
+---
+
+Resolved peer dependencies should always be included.

packages/resolve-dependencies/src/resolvePeers.ts

@@ -404,12 +404,6 @@ requires a peer of ${peerName}@${peerVersionRange} but version ${resolved.versio
       })
     }
 
-    if (resolved.depth === ctx.currentDepth + 1) {
-      // if the resolved package is a regular dependency of the package
-      // then there is no need to link it in
-      continue
-    }
-
     if (resolved?.nodeId) resolvedPeers[peerName] = resolved.nodeId
   }
   return { resolvedPeers, missingPeers }

packages/resolve-dependencies/test/resolvePeers.ts

@@ -121,10 +121,7 @@ test('when a package is referenced twice in the dependencies graph and one of th
     name: 'bar',
     depPath: 'bar/1.0.0',
     version: '1.0.0',
-    peerDependencies: {
-      foo: '1.0.0',
-      qar: '1.0.0',
-    } as Record<string, string>,
+    peerDependencies: {} as Record<string, string>,
   }
   const zooPkg = {
     name: 'zoo',