Merge pull request #5868 from nocodb/fix/5787-case-sensitive-username

fix: Make username case insensitive

packages/nocodb/src/services/users/users.service.ts

@@ -32,7 +32,8 @@ import type {
 export class UsersService {
   constructor(private metaService: MetaService) {}
 
-  async findOne(email: string) {
+  async findOne(_email: string) {
+    const email = _email.toLowerCase();
     const user = await this.metaService.metaGet(null, null, MetaTable.USERS, {
       email,
     });
@@ -50,7 +51,7 @@ export class UsersService {
     email: string;
     lastname: any;
   }) {
-    return this.metaService.metaInsert2(null, null, MetaTable.USERS, param);
+    return this.metaService.metaInsert2(null, null, MetaTable.USERS, { ...param, email: param.email?.toLowerCase() });
   }
 
   async registerNewUserIfAllowed({