refactor: unify custom shortcut indicators across the app

Sources/Conjure/ApplicationActionsController.swift

@@ -242,7 +242,7 @@ final class ApplicationActionsController: NSViewController, NSSearchFieldDelegat
 private struct ActionEntry {
     let view = LauncherRowView()
     let button: NSButton
-    let returnKey = NSTextField(labelWithString: "↵")
+    let returnKey = ShortcutIndicator("↵")
 
     init(title: String, symbol: String, color: NSColor) {
         button = NSButton(title: title, target: nil, action: nil)
@@ -259,14 +259,6 @@ private struct ActionEntry {
         icon.contentTintColor = color
         icon.imageScaling = .scaleProportionallyDown
         icon.setAccessibilityElement(false)
-        returnKey.font = .systemFont(ofSize: 14)
-        returnKey.textColor = SunsetPalette.secondaryText
-        returnKey.alignment = .center
-        returnKey.wantsLayer = true
-        returnKey.layer?.cornerRadius = 5
-        returnKey.layer?.borderWidth = 1
-        returnKey.layer?.borderColor = SunsetPalette.secondaryText.withAlphaComponent(0.35).cgColor
-        returnKey.setAccessibilityElement(false)
         for child in [icon, button, returnKey] {
             child.translatesAutoresizingMaskIntoConstraints = false
             view.addSubview(child)
@@ -281,9 +273,7 @@ private struct ActionEntry {
             button.centerYAnchor.constraint(equalTo: view.centerYAnchor),
             button.trailingAnchor.constraint(equalTo: returnKey.leadingAnchor, constant: -12),
             returnKey.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -12),
-            returnKey.centerYAnchor.constraint(equalTo: view.centerYAnchor),
-            returnKey.widthAnchor.constraint(equalToConstant: 18),
-            returnKey.heightAnchor.constraint(equalToConstant: 18)
+            returnKey.centerYAnchor.constraint(equalTo: view.centerYAnchor)
         ])
     }
 }