Incorrect collect/index_packages results

[pombredanne]

Using the provided example, on https://public.purldb.io/api/collect/index_packages/ I post this:

{
  "packages": [
    {
      "purl": "pkg:npm/less@1.0.32",
      "addon_pipelines": [
        "collect_symbols_ctags"
      ]
    },
    {
      "purl": "pkg:npm/less",
      "vers": "vers:npm/>=1.1.0|<=1.1.4"
    },
    {
      "purl": "pkg:npm/foobar",
      "addon_pipelines": [
        "inspect_elf_binaries",
        "collect_symbols_ctags"
      ]
    }
  ],
  "reindex": true,
  "reindex_set": false
}

I get this response:

{
    "queued_packages_count": 0,
    "queued_packages": [],
    "requeued_packages_count": 16,
    "requeued_packages": [
        "pkg:npm/less@1.0.32",
        "pkg:npm/less@1.0.32",
        "pkg:npm/less@1.1.0",
        "pkg:npm/less@1.1.0",
        "pkg:npm/%40taskr/less@1.1.0",
        "pkg:npm/%40brandcolors/less@1.1.0",
        "pkg:npm/less@1.1.1",
        "pkg:npm/less@1.1.1",
        "pkg:npm/less@1.1.2",
        "pkg:npm/less@1.1.2",
        "pkg:npm/less@1.1.4",
        "pkg:npm/less@1.1.4",
        "pkg:npm/foobar@1.0.0",
        "pkg:npm/foobar@1.0.0",
        "pkg:npm/foobar@1.1.0",
        "pkg:npm/foobar@1.1.0"
    ],
    "unqueued_packages_count": 0,
    "unqueued_packages": [],
    "unsupported_packages_count": 0,
    "unsupported_packages": [],
    "unsupported_vers_count": 0,
    "unsupported_vers": []
}

These two packages are completely unrelated and should NOT have been collected.

        "pkg:npm/%40taskr/less@1.1.0",
        "pkg:npm/%40brandcolors/less@1.1.0",

I guess we ignore the namespace and query packages by name only.

[stutimi]

Title: Fix: Include Namespace in PURL Matching for collect/index_packages
Description:
This PR fixes an issue where packages are incorrectly requeued due to namespace being ignored in PURL matching. Updated the filtering logic to include the namespace when comparing packages. Added unit tests for packages with similar names but different namespaces to verify the fix.