Make sidebar status view use same background color as source list.

Evergreen/Base.lproj/MainWindow.storyboard

@@ -361,7 +361,7 @@
                                     <autoresizingMask key="autoresizingMask"/>
                                 </scroller>
                             </scrollView>
-                            <customView translatesAutoresizingMaskIntoConstraints="NO" id="HZs-Zf-G8s" customClass="SidebarStatusBarView" customModule="Evergreen" customModuleProvider="target">
+                            <customView appearanceType="aqua" translatesAutoresizingMaskIntoConstraints="NO" id="HZs-Zf-G8s" customClass="SidebarStatusBarView" customModule="Evergreen" customModuleProvider="target">
                                 <rect key="frame" x="0.0" y="0.0" width="166" height="28"/>
                                 <subviews>
                                     <popUpButton translatesAutoresizingMaskIntoConstraints="NO" id="gZE-LB-FdW">

Evergreen/Info.plist

@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0d39</string>
+	<string>1.0d40</string>
 	<key>CFBundleVersion</key>
 	<string>522</string>
 	<key>LSMinimumSystemVersion</key>

Evergreen/MainWindow/Sidebar/SidebarStatusBarView.swift

@@ -17,6 +17,8 @@ final class SidebarStatusBarView: NSView {
 	@IBOutlet var progressIndicator: NSProgressIndicator!
 	@IBOutlet var progressLabel: NSTextField!
 
+	private var didConfigureLayer = false
+
 	private var isAnimatingProgress = false {
 		didSet {
 			progressIndicator.isHidden = !isAnimatingProgress
@@ -32,7 +34,11 @@ final class SidebarStatusBarView: NSView {
 	override var isFlipped: Bool {
 		return true
 	}
-	
+
+	override var wantsUpdateLayer: Bool {
+		return true
+	}
+
 	override func awakeFromNib() {
 
 		progressIndicator.isHidden = true
@@ -45,6 +51,17 @@ final class SidebarStatusBarView: NSView {
 		NotificationCenter.default.addObserver(self, selector: #selector(progressDidChange(_:)), name: .AccountRefreshProgressDidChange, object: nil)
 	}
 
+	override func updateLayer() {
+
+		guard let layer = layer, !didConfigureLayer else {
+			return
+		}
+
+		let color = NSColor(calibratedWhite: 0.96, alpha: 1.0)
+		layer.backgroundColor = color.cgColor
+		didConfigureLayer = true
+	}
+
 	@objc func updateUI() {
 
 		guard let progress = progress else {