Always include platform in `config/entity_registry/list_for_display` (#88601)

Always include platform in config/entity_registry/list_for_display

homeassistant/helpers/entity_registry.py

@@ -173,12 +173,10 @@ class RegistryEntry:
         This version only includes what's needed for display.
         Returns None if there's no data needed for display.
         """
-        display_dict: dict[str, Any] = {}
+        display_dict: dict[str, Any] = {"ei": self.entity_id, "pl": self.platform}
         for key, attr_name in DISLAY_DICT_OPTIONAL:
             if (attr_val := getattr(self, attr_name)) is not None:
                 display_dict[key] = attr_val
-        if "tk" in display_dict:
-            display_dict["pl"] = self.platform
         if (category := self.entity_category) is not None:
             display_dict["ec"] = ENTITY_CATEGORY_VALUE_TO_INDEX[category]
         if self.hidden_by is not None:
@@ -192,10 +190,6 @@ class RegistryEntry:
                 precision := sensor_options.get("suggested_display_precision")
             ) is not None:
                 display_dict["dp"] = precision
-        if not display_dict:
-            # We didn't gather any data needed for display
-            return None
-        display_dict["ei"] = self.entity_id
         return display_dict
 
     @property

tests/components/config/test_entity_registry.py

@@ -239,23 +239,32 @@ async def test_list_entities_for_display(
                 "di": "device123",
                 "ei": "test_domain.nameless",
                 "en": None,
+                "pl": "test_platform",
             },
             {
                 "ai": "area52",
                 "di": "device123",
                 "ei": "test_domain.renamed",
+                "pl": "test_platform",
+            },
+            {
+                "ei": "test_domain.boring",
+                "pl": "test_platform",
             },
             {
                 "ei": "test_domain.hidden",
                 "hb": True,
+                "pl": "test_platform",
             },
             {
                 "dp": 0,
                 "ei": "sensor.default_precision",
+                "pl": "test_platform",
             },
             {
                 "dp": 0,
                 "ei": "sensor.user_precision",
+                "pl": "test_platform",
             },
         ],
     }
@@ -296,6 +305,7 @@ async def test_list_entities_for_display(
                 "di": "device123",
                 "ei": "test_domain.test",
                 "en": "Hello World",
+                "pl": "test_platform",
             },
         ],
     }