[process-agent] Refactor Check interface (#15063)

* [process-agent] Refactor Check interface

- Refactors Check interface to consolidate CheckWithRealTime features
- This will simplify integration with components in the future PRs since it eliminates casts

* Address feedback from @just-chillin

pkg/process/checks/checks.go

@@ -117,3 +117,15 @@ func RTName(checkName string) string {
 		return ""
 	}
 }
+
+// RTName returns the name of the corresponding realtime check
+func RTName(checkName string) string {
+	switch checkName {
+	case ProcessCheckName:
+		return RTProcessCheckName
+	case ContainerCheckName:
+		return RTContainerCheckName
+	default:
+		return ""
+	}
+}