Tx events endpoint not returning normal response format and response data is missing total property

[nick-stacks]

Describe the bug
The tx events endpoint is not returning a total property, which is causing pagination to not show on events tables in the explorer. I believe this is a bug and the total property should be included in the response

Also, the returned data format diverges from what the API typically returns

To Reproduce
Steps to reproduce the behavior:
Use the Stacks API docs to query the tx event endpoint and compare its response to response from other list endpoints, such as txs

Expected behavior
I expect to receive a response like this:
{
limit: x,
offset: y,
total: <must be defined as the total # of events for the tx>,
results: [{eventObj1}, {eventObj2},...]
}

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Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
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Additional context
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