Creating new file from existing nodes should preserve newlines #53203
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Fixes #44230
I tried to use workaround, because as I understand printer doesn't support printing node including leading trivia.
By the way I wonder why don't we always use
sourceFile.getFullText()from old sourceFile? By doing this we can preserve node formatting (for example most devs prefer no indentation in switch-case), which we should do I think.