Xcode tip: Fix misplaced compiler directives like #if os(iOS)

When developing for multiple Apple platforms you can use compiler directives to customize properties for each OS, so you can use one View for multiple platforms. However Xcode aligns them in the code but not at the beginning of each line. There is a simple trick to auto align them all at once in a View by deleting the closing bracket of the View and adding it back.

Before delete:

After delete/adding of last bracket at line 128.