fix: Dropbox note updated and minor exception handling changes

[chandrasekharan-zipstack]

What

• Updated note for dropbox connector
• Minor exception handling changes to log the message

Why

• In some cases error is not logged or correctly displayed
• Fixed a typo in the connector's description - made it more explicit

Can this PR break any existing features. If yes, please list possible items. If no, please explain why. (PS: Admins do not merge the PR without this section filled)

• No

Notes on Testing

• Tested changes locally by using an expired token

Screenshots

Checklist

I have read and understood the Contribution Guidelines.

[Deepak-Kesavan]

Looks good. Added a minor comment

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

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[hari-kuriakose]

Suggested change

	"description": "Helps connect to Dropbox. Please note that this connector is in `alpha` status and is limited by the access token's expiry (short-lived tokens of ~4 hour expiry). OAuth support is yet to be added to make this production-ready.",
	"type": "object",
	"description": "Connect to your Dropbox storage. Please note that this is currently in `alpha` and is limited by the access token's short expiry time (4 hours). Does not support OAuth yet.",
	"type": "object",