More package size reductions

[noahdarveau-MSFT]

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Description

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Main changes in the PR:

1. I decided to go through the teams-js package and make as many enums const as possible. You can read the description for this PR for an explanation of why making enums const can when possible can make the package size smaller. I wasn't able to just go through all of the enums in teamsjs and blindly make them const since with the public enums, I have no way of knowing if the clients pulling the package are using the reverse mapping functionality (which making the enum const removes). However I was able to make most of the internal and private enums const as well as all of the public string enums, since in typescript string enums do not have the reverse mapping functionality anyways, so we don't have to worry about breaking it by making it const. There are also a few miscellaneous other enums that could not be made const due to other specific scenarios.

Package Size Reduction

• About another 5% off the current main size (163,736 bytes from 170,924 bytes)

Validation

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Unit Tests added:

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End-to-end tests added:

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Additional Requirements

Change file added:

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Related PRs:

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Next/remaining steps:

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Screenshots:

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Before	After
< image1 >	< image2 >

[AE-MS]