Backport "Make Ref.apply() return trees usable in the largest scope possible" to 3.3 LTS #287
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Previously for symbols contained in objects (prefixed by, let's say, 'pre'), we would return: * an Ident if pre contained only static object and packages; * Select(This(moduleClassSymbol), sym) if a prefix contained a class. However, this meant that in the second case, the generated tree would require the macro to be expanded inside of the object, even though it should be enough to just expand inside of the innermost class. This was unexpected and confusing, so it was changed to not return innermost module classes wrapped with This(). [Cherry-picked 238ba45]
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Backports scala#22240 to the 3.3.7.
PR submitted by the release tooling.
[skip ci]