Refactor integration startup time to show wall clock time (#113707)

* Refactor setup time tracking to exclude time waiting on other operations

We now exclude the import time and th time waiting on
base platforms to setup from the setup times

* tweak

* tweak

* tweak

* tweak

* adjust

* fixes

* fixes

* preen

* preen

* tweak

* tweak

* adjust

* tweak

* reduce

* do not count integrtion platforms against their parent integration

* handle legacy tts platforms

* stt as well

* one more wait

* use the same pattern in all the legacy

* fix tts and stt legacy

* fix

* fix

* reduce

* preen

* entity comp does not wait for platforms

* scene blocks as well

* fix test

* test fixes

* coverage

* coverage

* coverage

* fix test

* Update tests/test_setup.py

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Update tests/test_setup.py

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Update homeassistant/setup.py

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* strip

* strip WAIT_PLATFORM_INTEGRATION

* strip WAIT_PLATFORM_INTEGRATION

* strip WAIT_PLATFORM_INTEGRATION

* strip WAIT_PLATFORM_INTEGRATION

* remove complexity

* Apply suggestions from code review

* no longer works that way

* fixes

* fixes

* fixes

---------

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

homeassistant/loader.py

@@ -1172,6 +1172,13 @@ class Integration:
             raise self._missing_platforms_cache[full_name]
         return None
 
+    def platforms_are_loaded(self, platform_names: Iterable[str]) -> bool:
+        """Check if a platforms are loaded for an integration."""
+        return all(
+            f"{self.domain}.{platform_name}" in self._cache
+            for platform_name in platform_names
+        )
+
     def get_platform_cached(self, platform_name: str) -> ModuleType | None:
         """Return a platform for an integration from cache."""
         return self._cache.get(f"{self.domain}.{platform_name}")  # type: ignore[return-value]