fix: hardhat-chai-matchers error message when event is overloaded

[iosh]

• Because this PR includes a bug fix, relevant tests have been included.
• Because this PR includes a new feature, the change was previously discussed on an Issue or with someone from the team.
• I didn't do anything of this.

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Throw an error if the provided event name is ambiguous and request a clear event name from the user.

This will be resolve #5696

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Latest commit: 225c1c2

The changes in this PR will be included in the next version bump.

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Name	Type
@nomicfoundation/hardhat-chai-matchers	Patch

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Name	Status	Preview	Comments	Updated (UTC)
hardhat	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 10, 2024 5:07pm

[alcuadrado]

Hey! This looks really good! Thanks a ton!

I'll let @schaable review it, as he's more familiar with this part of the codebase.

Maybe this issue will also be of your interest: #4725

[schaable]

Looks great! I’ve tested the following scenarios:

1. A contract that inherits from another contract and adds an overloaded event to the one defined in the parent contract.
2. A contract that defines multiple overloads of the same event.
3. Calling emit with an unknown event.

Screenshots:
Before:

1. ambiguous event description is shown:
   
2. ambiguous event description is shown:
   
3. event doesn't exist is shown: