Software pending install shows up in host software list when "Vulnerable software" filter is applied

[jmwatts]

Fleet version: v4.66.0

Web browser and operating system: n/a

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💥  Actual behavior

Vulnerable software and software with pending installs are shown

🧑‍💻  Steps to reproduce

1. Queue up some pending installs for a host
2. On the Software tab of the host details page, apply the "Vulnerable software" filter

🕯️ Expected behavior

Only vulnerable software is shown

[ksykulev]

See comment about pending vulnerable software.
#26824 (comment)

Resolved by, filter out any pending software when filtering by vulnerabilities for now.