C#: Only count calls in source code.

Author: michaelnebel

csharp/ql/src/Telemetry/ExternalApi.qll

@@ -134,7 +134,8 @@ module Results<relevantApi/1 getRelevantUsages> {
       strictcount(Call c, ExternalApi api |
         c.getTarget().getUnboundDeclaration() = api and
         apiName = api.getApiName() and
-        getRelevantUsages(api)
+        getRelevantUsages(api) and
+        c.fromSource()
       )
   }
 

csharp/ql/src/Telemetry/ExternalLibraryUsage.ql

@@ -14,7 +14,8 @@ private predicate getRelevantUsages(string namespace, int usages) {
   usages =
     strictcount(Call c, ExternalApi api |
       c.getTarget().getUnboundDeclaration() = api and
-      api.getNamespace() = namespace
+      api.getNamespace() = namespace and
+      c.fromSource()
     )
 }