fix: Change subscription topics to receive any event from device LLRP

[marcpfuller]

fixes: #201

If your build fails due to your commit message not passing the build checks, please review the guidelines here: https://github.com/edgexfoundry/app-rfid-llrp-inventory/blob/main/.github/Contributing.md

PR Checklist

Please check if your PR fulfills the following requirements:

• I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
• I am not introducing a new dependency (add notes below if you are)
• I have added unit tests for the new feature or bug fix (if not, why?)NA
• I have fully tested (add details below) this the new feature or bug fix (if not, why?)
• I have opened a PR for the related docs change (if not, why?)NA

Testing Instructions

1. start edgex
2. start app-rfid-llrp
3. start llrp simulator
4. start device-rfid-llrp
5. open browser to localhost:59711
6. verify that app-rfid-llrp finds device reader
7. verify that inventory snap shot is not empty

New Dependency Instructions (If applicable)

[lenny-goodell]

LGTM