feat: separate favorite application suggestions

Sources/Conjure/LauncherWindowController.swift

@@ -527,6 +527,18 @@ final class LauncherWindowController: NSWindowController, NSWindowDelegate, NSSe
         resultCount
     }
 
+    private func spacingBeforeRow(_ row: Int) -> CGFloat {
+        guard calculation == nil,
+              searchField.stringValue.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty,
+              row > 0, results.indices.contains(row),
+              history.isFavorite(results[row - 1]), !history.isFavorite(results[row]) else { return 0 }
+        return 12
+    }
+
+    func tableView(_ tableView: NSTableView, heightOfRow row: Int) -> CGFloat {
+        LauncherRowView.rowHeight + spacingBeforeRow(row)
+    }
+
     func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
         let identifier = NSUserInterfaceItemIdentifier("applicationCell")
         let cell = (tableView.makeView(withIdentifier: identifier, owner: self) as? ApplicationCell)
@@ -564,6 +576,7 @@ final class LauncherWindowController: NSWindowController, NSWindowDelegate, NSSe
         let view = (tableView.makeView(withIdentifier: identifier, owner: self) as? LauncherRowView)
             ?? LauncherRowView()
         view.identifier = identifier
+        view.topSpacing = spacingBeforeRow(row)
         return view
     }
 
@@ -1058,9 +1071,22 @@ final class LauncherRowView: NSTableRowView {
     static let textSize: CGFloat = 14
     static let iconSize: CGFloat = 22
     static let iconToTextSpacing: CGFloat = 12
+    var topSpacing: CGFloat = 0 {
+        didSet { needsLayout = true; needsDisplay = true }
+    }
+
+    override func layout() {
+        super.layout()
+        for case let cell as ApplicationCell in subviews {
+            cell.frame = NSRect(x: 0, y: topSpacing, width: bounds.width, height: bounds.height - topSpacing)
+        }
+    }
 
     override func drawSelection(in dirtyRect: NSRect) {
-        let selection = NSBezierPath(roundedRect: bounds.insetBy(dx: 0.75, dy: 0.75), xRadius: 10, yRadius: 10)
+        var selectionBounds = bounds
+        selectionBounds.origin.y += topSpacing
+        selectionBounds.size.height -= topSpacing
+        let selection = NSBezierPath(roundedRect: selectionBounds.insetBy(dx: 0.75, dy: 0.75), xRadius: 10, yRadius: 10)
         SunsetPalette.selectionFill.setFill()
         selection.fill()
         let increasedContrast = NSWorkspace.shared.accessibilityDisplayShouldIncreaseContrast