Fix slack recipe, Input & Toggle issue due to typescript conversion

[ghost]

Pre-flight Checklist

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a feature request that matches the one I want to file, without success.

Description of Change

• fix: slack issue caused by input TS conversion
• fix: button event handler type
• fix: inconsistent file import path w.r.t toggle
• refactor: remove toggle component's duplicate
• refactor: TrayIcon class property TrayIcon rename to tray

Motivation and Context

• Convert to typescript #42

Checklist

• My pull request is properly named
• The changes respect the code style of the project (npm run prepare-code)
• npm test passes
• I tested/previewed my changes locally

[vraravam]

All these work with the PR branch!

• editing of an existing workspace, creating a new workspace, adding/removing services from workspaces
• adding slack afresh, editing slack, removing slack
• editing pre-existing gmail

[vraravam]

If anyone merges this PR, please DO NOT squash, instead - please rebase the 2 commits so that they can be tracked separately in the future. Thanks!

[SpecialAro]

Just tested on Windows 11 and it is working properly now. Thank you!