fix: share single package store entry accross all aliases to local projects (#2474)

Multiple aliases referring to the same local workspace project should
share a single entry in the package store.

### Changes are visible to end-users: no

### Test plan

- Covered by existing test cases
- Manual testing; see diff of snapshot files

Author: jbedard

e2e/pnpm_lockfiles/lockfile-test.bzl

@@ -138,7 +138,6 @@ def lockfile_test(npm_link_all_packages, name = None):
             ":.aspect_rules_js/node_modules/@[email protected]",
             ":.aspect_rules_js/node_modules/@scoped+c@file+..+projects+c_at_scoped_b_projects%sb" % ("_" if lock_version == "v54" else "+"),  # is declared as a file: instead of link:
             ":.aspect_rules_js/node_modules/@[email protected]",
-            ":.aspect_rules_js/node_modules/[email protected]",
 
             # file: 4.17.21.tgz tarbal
             ":node_modules/lodash",

e2e/pnpm_lockfiles/v101/snapshots/defs.bzl

@@ -36,6 +36,6 @@ build_test(
     targets = [
         ":node_modules/@lib/b",
         ":node_modules/@lib/b_alias",
-        "//:.aspect_rules_js/node_modules/@lib+b_alias@0.0.0",
+        "//:.aspect_rules_js/node_modules/@lib+b@0.0.0",
     ],
 )