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Description of the Change

This PR attempts to visually improve some of the less used views in the Github pane, namely:

• NoRemotes view - shown when Github pane cannot detect any git remotes for the current workspace
• RemoteSelector view - shown when there are multiple remotes configured for the current workspace

The overall idea behind all of these improvements was to make it as much consistent as possible with the Git tab's "Initialise git repository" view from the Git tab. Overall, the following changes have been made:

• UI elements' text selection has been disabled and the cursor is now forced to the classic pointer
• Content is now moved vertically to the centre of the pane
• Buttons are now stretched to the full pane's width
• All margins and paddings match those used in the Git tab's "initialise git repository" view
• ⚠️ A git icon has been added to these views

  I would rather see a nice octocat icon there since the views are related to Github but I posses neither skills nor tools to craft such a vector graphic 🤷‍♂️

Screenshot/Gif

Baseline

The goal of this PR is to make the other views look more like this one.

Before

After

Alternate Designs

N/A

Benefits

Visually more pleasant experience when these views appear. 🎨

Possible Drawbacks

🤷‍♂️

Applicable Issues

Could not find any.

Metrics

N/A

Tests

Documentation

N/A

Release Notes

N/A

User Experience Research (Optional)

N/A