refactor: instead of column_name make title mandatory for column create

packages/nocodb/src/schema/swagger.json

@@ -23698,7 +23698,7 @@
         "title": "Normal Column Request Model",
         "type": "object",
         "required": [
-          "column_name"
+          "title"
         ],
         "x-stoplight": {
           "id": "fn3gqmojvswv2"

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

@@ -16,6 +16,7 @@ import {
 } from 'nocodb-sdk';
 import { pluralize, singularize } from 'inflection';
 import hash from 'object-hash';
+import { parseMetaProp } from 'src/utils/modelUtils';
 import type {
   ColumnReqType,
   LinkToAnotherColumnReqType,
@@ -65,7 +66,6 @@ import Noco from '~/Noco';
 import NcConnectionMgrv2 from '~/utils/common/NcConnectionMgrv2';
 import { MetaTable } from '~/utils/globals';
 import { MetaService } from '~/meta/meta.service';
-import { parseMetaProp } from 'src/utils/modelUtils';
 
 // todo: move
 export enum Altered {
@@ -1674,6 +1674,11 @@ export class ColumnsService {
         param.column.title = param.column.title.trim();
       }
 
+      // if column_name missing then generate it from title
+      if (!param.column.column_name) {
+        param.column.column_name = param.column.title;
+      }
+
       if (param.column.column_name) {
         // - 5 is a buffer for suffix
         let colName = param.column.column_name.slice(0, mxColumnLength - 5);