Fix audio event creation

[jameslivulpi]

Proposed change

Fix issue with audio events creation. The numpy multi-d array check with is not fails and causes the issue because numpy doesn't know whether you want to check if all elements of the array are True or if any of them are as seen by error msg below. So Just check if is None.

Latest dev build showed the following when audio event runs post:

docker logs frigate  | grep -A2 audio

--
2024-12-01 19:47:08.832614559  [2024-12-01 19:47:08] audio.crib                     WARNING : Failed to create audio event with status code 500
2024-12-01 19:47:21.480054088  [2024-12-01 19:47:21] frigate.api.event              ERROR   : The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
2024-12-01 19:47:21.482088304  127.0.0.1 - - [01/Dec/2024:19:47:21 -0500] "POST /api/events/crib/crying/create HTTP/1.1" 500 55 "-" "python-requests/2.32.3" "-"
2024-12-01 19:47:21.484325971  [2024-12-01 19:47:21] audio.crib                     WARNING : Failed to create audio event with status code 500
2024-12-01 19:47:21.498257244  [2024-12-01 19:47:21] frigate.api.event              ERROR   : The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
2024-12-01 19:47:21.499582765  127.0.0.1 - - [01/Dec/2024:19:47:21 -0500] "POST /api/events/crib/crying/create HTTP/1.1" 500 55 "-" "python-requests/2.32.3" "-"
2024-12-01 19:47:21.500668425  [2024-12-01 19:47:21] audio.crib                     WARNING : Failed to create audio event with status code 500

Created a small reproducer:

from frigate.const import (
    AUDIO_DURATION,
    AUDIO_FORMAT,
    AUDIO_MAX_BIT_RANGE,
    AUDIO_MIN_CONFIDENCE,
    AUDIO_SAMPLE_RATE,
    FRIGATE_LOCALHOST,
)
import requests
score=100
resp = requests.post(
        f"{FRIGATE_LOCALHOST}/api/events/crib/crying/create",
        json={"duration": None, "score": score, "source_type": "audio"},
)

print(resp)

Before this change:

python3 test.py
<Response [500]>

after the change in this PR:

python3 test.py
<Response [200]>

ref: #15097 (reply in thread)

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code
• Documentation Update

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:

Checklist

• [X ] The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• The code has been formatted using Ruff (ruff format frigate)

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