Add test cases project for presentation compiler #22101
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This PR adds a mechanism to test the presentation compiler with snippets using arbitrary pre-compiled files. To do so, it adds a new project
scala3-presentation-compiler-testcases, compiled with the bootstrapped compiler, which is used as a dependency ofscala3-presentation-compiler. The resulting class path is added to theideTestsDependencyClasspathbuild info so that the test cases can be used from the presentation compiler tests.This PR also adds a test case for #20560. It shows that there is no hover info for the resulting type of a
transparent inlinemacro when it fails to execute. However, the macro succeeds when loading the classjava.sql.Driver, so that still doesn't tell us what the problem is with #20560…