Added safety set widget and height.

Author: ivanvorobei

Sources/SparrowKit/CoreGraphics/CGRectExtension.swift

@@ -48,6 +48,7 @@ public extension CGRect {
      - parameter width: New `width`.
      */
     mutating func setWidth(_ width: CGFloat) {
+        if width == self.width { return }
         self = CGRect.init(x: origin.x, y: origin.y, width: width, height: height)
     }
 
@@ -57,6 +58,7 @@ public extension CGRect {
      - parameter height: New `height`.
      */
     mutating func setHeight(_ height: CGFloat) {
+        if height == self.height { return }
         self = CGRect.init(x: origin.x, y: origin.y, width: width, height: height)
     }
 
@@ -67,6 +69,7 @@ public extension CGRect {
      - parameter height: New `height`.
      */
     mutating func setWidth(_ width: CGFloat, height: CGFloat) {
+        if width == self.width && height == self.height { return }
         self = CGRect.init(x: origin.x, y: origin.y, width: width, height: height)
     }