[feat][Remote objects] Edit a connection (for pg) (#5210)

## Context
#4774 

## How was it tested
Locally

## In further PRs
- Update connection status upon page change
- Adapt Info banner to dark mode
- placeholders for form

packages/twenty-server/src/engine/metadata-modules/remote-server/dtos/remote-server.dto.ts

@@ -7,6 +7,7 @@ import {
   ForeignDataWrapperOptions,
   RemoteServerType,
 } from 'src/engine/metadata-modules/remote-server/remote-server.entity';
+import { GetUserMappingOptions } from 'src/engine/metadata-modules/remote-server/utils/user-mapping-options.utils';
 
 @ObjectType('RemoteServer')
 export class RemoteServerDTO<T extends RemoteServerType> {
@@ -23,6 +24,14 @@ export class RemoteServerDTO<T extends RemoteServerType> {
   @Field(() => GraphQLJSON, { nullable: true })
   foreignDataWrapperOptions?: ForeignDataWrapperOptions<T>;
 
+  @IsOptional()
+  @Field(() => GetUserMappingOptions, { nullable: true })
+  userMappingOptions?: GetUserMappingOptions;
+
+  @IsOptional()
+  @Field(() => String, { nullable: true })
+  schema?: string;
+
   @HideField()
   workspaceId: string;