fix: use a constistent name for entityId column option

Author: solanamonk

src/polymorphic.interface.ts

@@ -8,7 +8,7 @@ export interface PolymorphicInterface {
   hasMany: boolean;
   primaryColumn?: string;
   entityTypeColumn?: string;
-  entityTypeId?: string;
+  entityIdColumn?: string;
   eager: boolean;
   cascade: boolean;
   deleteBeforeUpdate: boolean;
@@ -31,7 +31,7 @@ export interface PolymorphicDecoratorOptionsInterface {
   cascade?: boolean;
   eager?: boolean;
   entityTypeColumn?: string;
-  entityTypeId?: string;
+  entityIdColumn?: string;
 }
 
 export type PolymorphicChildType = {

src/polymorphic.repository.ts

@@ -31,7 +31,7 @@ type PolymorphicHydrationType = {
 const entityTypeColumn = (options: PolymorphicMetadataInterface): string =>
   options.entityTypeColumn || 'entityType';
 const entityIdColumn = (options: PolymorphicMetadataInterface): string =>
-  options.entityTypeId || 'entityId';
+  options.entityIdColumn || 'entityId';
 const PrimaryColumn = (options: PolymorphicMetadataInterface): string =>
   options.primaryColumn || 'id';