Make sure to override source info

Author: rafaelha

src/kirin/rewrite/inline.py

@@ -98,14 +98,12 @@ def inline_call_like(
         # NOTE: we cannot change region because it may be used elsewhere
         inline_region: ir.Region = region.clone()
 
-        # Preserve source information by attributing inlined code to the call site
+        # Override source information with the inlined code source
         if call_like.source is not None:
             for block in inline_region.blocks:
-                if block.source is None:
-                    block.source = call_like.source
+                block.source = call_like.source
                 for stmt in block.stmts:
-                    if stmt.source is None:
-                        stmt.source = call_like.source
+                    stmt.source = call_like.source
 
         parent_block: ir.Block = call_like.parent_block
         parent_region: ir.Region = call_like.parent_region