fix: imported symbol missing for companion module

Author: i10416

Diff for: compiler/src/dotty/tools/dotc/core/ContextOps.scala

@@ -41,7 +41,10 @@ object ContextOps:
             else pre.findMember(name, pre, required, excluded)
           }
           else // we are in the outermost context belonging to a class; self is invisible here. See inClassContext.
-            ctx.owner.findMember(name, ctx.owner.thisType, required, excluded)
+            if ctx.isJava then
+              javaFindMember(name, ctx.owner.thisType, lookInCompanion = true,required, excluded)
+            else
+              ctx.owner.findMember(name, ctx.owner.thisType, required, excluded)
         else
           ctx.scope.denotsNamed(name).filterWithFlags(required, excluded).toDenot(NoPrefix)
       }

Diff for: tests/pos/i17255/Baz.java

@@ -0,0 +1,7 @@
+package example;
+
+import example.Foo$;
+
+public class Baz {
+	private static final Foo$ MOD = Foo$.MODULE$;
+}