fix: BI-54743 修改数据连接自动命名的逻辑

src/modules/pages/maintain/forms/form.ts

@@ -210,19 +210,13 @@ export class MaintainForm extends BI.Widget {
     }
 
     private getConnectionName(name = BI.i18nText('Dec-Dcm_Data_Connections')) {
-        const connections = this.model.connections.filter(item => item.connectionName.startsWith(name));
+        const defaultName = name.replace(/\d+$/, '');
+        const connections = this.model.connections.filter(item => item.connectionName.startsWith(defaultName));
         if (connections.length === 0) {
             return name;
         }
-        let index = 0;
-        connections.forEach(item => {
-            const num = parseFloat(item.connectionName.replace(name, ''));
-            if (num > index) {
-                index = num;
-            }
-        });
         
-        return `${name}${index + 1}`;
+        return BI.Func.createDistinctName(connections.map(item => item.connectionName), defaultName);
     }
 
     private testConnection() {