fix: build issues, extend event-type in types, use @calcom/types

lib/validations/shared/jsonSchema.ts

@@ -5,5 +5,5 @@ type Literal = boolean | number | string;
 type Json = Literal | { [key: string]: Json } | Json[];
 const literalSchema = z.union([z.string(), z.number(), z.boolean()]);
 export const jsonSchema: z.ZodSchema<Json> = z.lazy(() =>
-  z.union([literalSchema, z.array(jsonSchema), z.record(jsonSchema)]).or(z.null())
+  z.union([literalSchema, z.array(jsonSchema), z.record(jsonSchema)])
 );