Auto merge of #16439 - wasd96040501:feat/gotodef3, r=Veykril

feat: Support for GOTO def from *inside* files included with include! macro

close #14937
Try to implement goto def from *inside* files included with include! macro.
This implementation has two limitations:
1. Only **one** file which calls include! will be tracked. (I think multiple file be included is a rare case and we may let it go for now)
2. Mapping token from included file to macro call file (semantics.rs:646~658) works fine but I am not sure is this the correct way to implement.

crates/hir-expand/src/lib.rs

@@ -523,6 +523,24 @@ impl MacroCallLoc {
             }
         }
     }
+
+    pub fn include_file_id(
+        &self,
+        db: &dyn ExpandDatabase,
+        macro_call_id: MacroCallId,
+    ) -> Option<FileId> {
+        if self.def.is_include() {
+            if let Some(eager) = &self.eager {
+                if let Ok(it) =
+                    builtin_fn_macro::include_input_to_file_id(db, macro_call_id, &eager.arg)
+                {
+                    return Some(it);
+                }
+            }
+        }
+
+        None
+    }
 }
 
 impl MacroCallKind {