Fix "allLayouts is null" exception

[304NotModified]

Fix allLayouts is null after init. Auto fix this instead of exception.

fixes #1384

[codecov-io]

Current coverage is 75.17%

Merging #1386 into master will not affect coverage as of d691f3e

@@            master   #1386   diff @@
======================================
  Files          267     267       
  Stmts        15554   15607    +53
  Branches      1636    1642     +6
  Methods          0       0       
======================================
+ Hit          11692   11732    +40
+ Partial        385     383     -2
- Missed        3477    3492    +15

Review entire Coverage Diff as of d691f3e

---

Uncovered Suggestions

1. +0.09% via ...gingConfiguration.cs#374...387
2. +0.09% via ...gingConfiguration.cs#340...353
3. +0.08% via ...argets/FileTarget.cs#1741...1753
4. See 7 more...

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