All: Resolves #7661: Stop synchronization with unsupported WebDAV providers (#7819)

packages/lib/models/Migration.ts

@@ -1,10 +1,12 @@
 import BaseModel from '../BaseModel';
+import migration42 from '../migrations/42';
 
 const migrationScripts: Record<number, any> = {
 	20: require('../migrations/20.js'),
 	27: require('../migrations/27.js'),
 	33: require('../migrations/33.js'),
 	35: require('../migrations/35.js'),
+	42: migration42,
 };
 
 export default class Migration extends BaseModel {

packages/lib/models/Setting.ts

@@ -1671,6 +1671,12 @@ class Setting extends BaseModel {
 			// 	storage: SettingStorage.File,
 			// },
 
+			'sync.allowUnsupportedProviders': {
+				value: -1,
+				type: SettingItemType.Int,
+				public: false,
+			},
+
 		};
 
 		this.metadata_ = Object.assign(this.metadata_, this.customMetadata_);