Desktop: Fix pointer and clickable server tab area

Description

Environment: desktop app, 4.3 master

Steps:
1) Download 4.3 desktop app
2) Click on + to add new server

Expected: Pointer to change to Hand on server tab hover and to be able to click on any part of the tab area to select it

Actual: Pointer persists on hover over server tabs. Tabs are not always responsive to clicking - see video

QA Test Steps

None

Reporter

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Status

Mana

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Assignee

Unassigned

QA Assignee

None

Reporter

Jelena Gilliam

Epic Link

None

Fix versions

Mattermost Team

Apps

Sprint

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Labels

None

QA Testing Areas

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GitHub Issue

None

Components

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