Feat: Added Tooltip for Jump to msg button

[dhairyashiil]

Acceptance Criteria fulfillment

• After pointing the mouse at the Send button icon, the user should see the text "Send Message".
• After pointing the mouse at the Arrow-back button in the Starred Messages and Pinned Messages sidebar, the user should see the text "Go To Message".

Fixes #750

Screenshots

Send Button:

Starred Messages:

Pinned Messages:

PR Test Details

Note: The PR will be ready for live testing at https://rocketchat.github.io/EmbeddedChat/pulls/pr-751 after approval. Contributors are requested to replace <pr_number> with the actual PR number.

[Spiral-Memory]

"Send Message" -> A tooltip for send icon is unnecessary, pls remove that.

For the Go to Message, change it to Jump to Message, Let's be consistent with Rocket.Chat channel terminologies

[dhairyashiil]

Hello @Spiral-Memory,
I’ve updated it to "Jump to message." From now on, I will follow Rocket.Chat channel’s terminologies. Thank you.