Roman Pominov b4a6a67ada Add SectionTitle; Add utility for focusing using arrow keys (#1249) ...

## Description

Closes #1100
Closes #1271

1. Added `SectionTitle`
https://section-title--638245578b47d4399fba191a.chromatic.com/?path=/story/library-section-title--demo
2. Added basic `ArrowFocus` utility
3. Used the new `SectionTitle` in `CollapsibleSection`, so props and
style panels now use the new `SectionTitle`
4. Made `CollapsibleSection` open by default as specified in #1100

## Steps for reproduction

1. Open style panel
2. Open props panel
3. Check storybook demos by the links above

2023-03-22 15:29:53 +03:00

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builder

Add SectionTitle; Add utility for focusing using arrow keys (#1249)

2023-03-22 15:29:53 +03:00