use VALID_PLATFORMS instead of ad-hoc event platform filtering

Author: cvxluo

src/sentry/event_manager.py

@@ -164,6 +164,8 @@
 
 SEER_ERROR_COUNT_KEY = ERROR_COUNT_CACHE_KEY("sentry.seer.severity-failures")
 
+from sentry.constants import VALID_PLATFORMS
+
 
 @dataclass
 class GroupInfo:
@@ -702,7 +704,7 @@ def _pull_out_data(jobs: Sequence[Job], projects: ProjectsMapping) -> None:
 def _set_project_platform_if_needed(project: Project, event: Event) -> None:
     # Only infer the platform if it's useful - if the event platform is "other", null or a sample
     # event, there's no useful information for us to set the project platform
-    if not event.platform or event.platform == "other" or event.get_tag("sample_event") == "yes":
+    if event.platform in VALID_PLATFORMS:
         return
 
     # Use a lock to prevent race conditions when multiple events are processed