fix(collectionfactory): Simplify CollectionFactory.getCollection: remove unnecessary IIFE and instantiate collection only when dbArg is SmartdataDb

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartdata',
-  version: '7.0.1',
+  version: '7.0.2',
   description: 'An advanced library for NoSQL data organization and manipulation using TypeScript with support for MongoDB, data validation, collections, and custom data types.'
 }

ts/classes.collectionfactory.ts

@@ -6,13 +6,8 @@ export class CollectionFactory {
   public collections: { [key: string]: SmartdataCollection<any> } = {};
 
   public getCollection = (nameArg: string, dbArg: SmartdataDb): SmartdataCollection<any> => {
-    if (!this.collections[nameArg]) {
-      this.collections[nameArg] = (() => {
-        if (dbArg instanceof SmartdataDb) {
-          // tslint:disable-next-line: no-string-literal
-          return new SmartdataCollection(nameArg, dbArg);
-        }
-      })();
+    if (!this.collections[nameArg] && dbArg instanceof SmartdataDb) {
+      this.collections[nameArg] = new SmartdataCollection(nameArg, dbArg);
     }
     return this.collections[nameArg];
   };