conversion: explicit event params, removes any in PixelControl

src/lib/conversion/client.ts

@@ -1,6 +1,7 @@
 import type { TrackingManager } from '$lib/tracking.svelte';
 import type {
 	ConversionErrorResponseBody,
+	ConversionEventParams,
 	ConversionRequestBody,
 	ConversionResponseBody,
 	ConversionUserData
@@ -37,7 +38,7 @@ export class ConversionClient {
 		options: {
 			eventID: string;
 			user?: Omit<ConversionUserData, 'ip' | 'fbp' | 'fbc' | 'ua'>;
-			customData?: Record<string, string>;
+			customData?: ConversionEventParams;
 		}
 	): Promise<ConversionResponseBody | ConversionErrorResponseBody> {
 		// Extract user data