Suppress banner tooltips unless message is truncated

Description

Not a regression.

Repro steps:
1. Open community-daily
2. Wait until the next day when the "A new version of Mattermost is available" banner appears
3. Hover your mouse over it

Observed: A tooltip appears containing the same text as the banner. (Ignore the weird wrapping – that’s being addressed by ).

Expected: No tooltip is displayed because the banner itself is not ellipsed. Only show the tooltip if the banner cannot display the full text showing a ...

QA Test Steps

None

Mana

None

Assignee

Unassigned

QA Assignee

None

Reporter

Jesse Hallam

Epic Link

None

Fix versions

Mattermost Team

Apps

Sprint

None

Labels

QA Testing Areas

None

GitHub Issue

None

Components

None
Configure