Single letter shortcut keys do not work on builds of macOS 10.14+ or later

[hsk]

Describe the bug

Single letter shortcut keys do not work on builds of macOS 10.14+ or later on M1 Mac.

Tiled1.10.0-macOS10.12-10.13.zip is OK. Tiled1.10.1-macOS10.12-10.13.zip is OK. Tiled1.10.2-macOS10.12-10.15.zip is OK.

Tiled1.10.0-macOS10.14+.zip is NG. Tiled1.10.1-macOS10.14+.zip is NG. Tiled1.10.2-macOS11.zip is NG.

Reproduce Steps to reproduce the behavior:

1. Open the tile layer.
2. Press the R key.
3. The rectangle selection mode should be activated, but it is not.

Expected behavior

The rectangle selection mode is activated.

Specifications:

• OS: macOS 13.4.1 (c) (22F770820d) on M1 Mac
• Tile version: Tiled1.10.0-macOS10.14+.zip
• Tile version: Tiled1.10.1-macOS10.14+.zip
• Tile version: Tiled1.10.2-macOS11.zip