Duplicate keys for NSLayoutAttributeBaseline and NSLayoutAttributeLastBaseline in NSLayoutConstraint+MASDebugAdditions.m

[yankaiyu]

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Issue Info

Info	Value
Platform	e.g. ios
Platform Version	e.g. 13.5
Masonry Version	e.g. 1.1.0
Integration Method	e.g. carthage/cocoapods/manually

Issue Description

There are duplicate keys in NSLayoutConstraint+MASDebugAdditions.m.

One at

NSLayoutConstraint+MASDebugAdditions.m:49:13: @(NSLayoutAttributeLastBaseline) : @"lastBaseline"

Another one at

NSLayoutConstraint+MASDebugAdditions.m:45:13: @(NSLayoutAttributeBaseline) : @"baseline"

The values of NSLayoutAttributeBaseline and NSLayoutAttributeLastBaseline are the same in the latest SDK (I tested in iOS 13.5). There should be at most one of them used in the dictionary.

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[cntrump]

Fixed #594