[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-front/src/testing/mock-data/remote-servers.ts

@@ -0,0 +1,20 @@
+export const mockedRemoteServers = [
+  {
+    __typename: 'RemoteServer',
+    id: '67cbfd35-8dd4-4591-b9d4-c1906281a5da',
+    createdAt: '2024-04-30T13:41:25.584Z',
+    foreignDataWrapperId: 'b306b641-2142-4b4e-8fba-976afbc3b2bc',
+    foreignDataWrapperOptions: {
+      host: 'localhost',
+      port: 5432,
+      dbname: 'dbname_test',
+    },
+    foreignDataWrapperType: 'postgres_fdw',
+    userMappingOptions: {
+      __typename: 'GetUserMappingOptions',
+      username: 'twenty',
+    },
+    updatedAt: '2024-04-30T13:41:25.858Z',
+    schema: 'public',
+  },
+];