Auto merge of #17469 - roife:fix-issue-17425, r=Veykril

fix: use ItemInNs::Macros to convert ModuleItem to ItemInNs

fix #17425.

When converting `PathResolution` to `ItemInNs`, we should convert `ModuleDef::Macro` to `ItemInNs::Macros` to ensure that it can be found in `DefMap`.

crates/hir/src/lib.rs

@@ -2784,6 +2784,7 @@ impl From<ModuleDef> for ItemInNs {
             ModuleDef::Static(_) | ModuleDef::Const(_) | ModuleDef::Function(_) => {
                 ItemInNs::Values(module_def)
             }
+            ModuleDef::Macro(it) => ItemInNs::Macros(it),
             _ => ItemInNs::Types(module_def),
         }
     }