fix: center shortcut symbols in square badges

Sources/Conjure/LauncherWindowController.swift

@@ -705,7 +705,7 @@ func roundMaterialCorners(_ view: NSVisualEffectView, radius: CGFloat) {
 
 @MainActor
 func shortcutBadge(_ title: String) -> NSTextField {
-    let badge = NSTextField(labelWithString: title)
+    let badge = ShortcutBadge(labelWithString: title)
     badge.font = .systemFont(ofSize: 14)
     badge.textColor = SunsetPalette.secondaryText
     badge.alignment = .center
@@ -721,3 +721,25 @@ func shortcutBadge(_ title: String) -> NSTextField {
     ])
     return badge
 }
+
+@MainActor
+private final class ShortcutBadge: NSTextField {
+    override class var cellClass: AnyClass? {
+        get { ShortcutBadgeCell.self }
+        set { super.cellClass = newValue }
+    }
+
+    // NSTextField's horizontal alignment insets otherwise make an 18-point badge 22 points wide.
+    override var alignmentRectInsets: NSEdgeInsets { NSEdgeInsets(top: 0, left: 0, bottom: 0, right: 0) }
+}
+
+@MainActor
+private final class ShortcutBadgeCell: NSTextFieldCell {
+    override func drawingRect(forBounds rect: NSRect) -> NSRect {
+        var textRect = super.drawingRect(forBounds: rect)
+        let textHeight = cellSize(forBounds: rect).height
+        textRect.origin.y += (textRect.height - textHeight) / 2
+        textRect.size.height = textHeight
+        return textRect
+    }
+}