fix: partial install in workspace with patches should not fail (#4956)

close #4954

.changeset/cold-toes-push.md

@@ -0,0 +1,6 @@
+---
+"@pnpm/resolve-dependencies": patch
+"pnpm": patch
+---
+
+`pnpm install` in a workspace with patches should not fail when doing partial installation [#4954](https://github.com/pnpm/pnpm/issues/4954).

packages/resolve-dependencies/src/index.ts

@@ -103,7 +103,11 @@ export default async function (
   } = await resolveDependencyTree(projectsToResolve, opts)
 
   // We only check whether patches were applied in cases when the whole lockfile was reanalyzed.
-  if (opts.patchedDependencies && (opts.forceFullResolution || !opts.wantedLockfile.packages?.length)) {
+  if (
+    opts.patchedDependencies &&
+    (opts.forceFullResolution || !opts.wantedLockfile.packages?.length) &&
+    Object.keys(opts.wantedLockfile.importers).length === importers.length
+  ) {
     verifyPatches(Object.keys(opts.patchedDependencies), appliedPatches)
   }