feat: better scrollbars

[pixelass]

Motivation

• makes chat-list virtual
• wider scrollbar thumbs
• reusable virtual-list

Issues closed

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: +0.00% (target: -1.00%)	:white_check_mark: ∅

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (c324e22d6165f5ce7a571eb1f760bde0147429c4) | 2115 | 1987 | 93.95% | | | Head commit (22e801d6d78606e44bac1a6bb20ee03592148003) | 2115 (+0) | 1987 (+0) | 93.95% (**+0.00%**) | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#334) | 0 | 0 | **∅ (not applicable)** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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[TimPietrusky]

:tada: This PR is included in version 1.0.0-alpha.103 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket: