Fix sidebar Settings icon alignment and sizing consistency.

This replaces the custom Settings logo asset with a standard symbol and normalized dimensions so the row aligns with the other sidebar items.

Made-with: Cursor

meetings_app/ViewController.swift

@@ -2174,7 +2174,7 @@ private extension ViewController {
         menuStack.addArrangedSubview(videoRow)
         sidebarRowViews[.video] = videoRow
         menuStack.addArrangedSubview(sidebarSectionTitle("Additional"))
-        let settingsRow = sidebarItem("Settings", icon: "􀍟", page: .settings, logoImageName: "SidebarSettingsLogo", logoIconWidth: 28, logoHeightMultiplier: 68.0 / 62.0, showsDisclosure: true)
+        let settingsRow = sidebarItem("Settings", icon: "􀍟", page: .settings, systemSymbolName: "gearshape.fill", logoIconWidth: 24, logoHeightMultiplier: 1, showsDisclosure: true)
         menuStack.addArrangedSubview(settingsRow)
         sidebarRowViews[.settings] = settingsRow