* exclude xcworkspace that begins with a period
* fix if spacing, add comment
* add unit test for when no xcworkspace found
* update to use xcodeWorkspace, make it nullable and refactor
* check if hostAppRoot exists before trying to get xcworkspace
* use local variables to take advantage of type promotion
* only check if not null, don't need to check if exists
* readd exist check for migrate
* readd missing line at end of file
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