Fix for issue where bulk-adding scripts could perform a rescan after each script (#22665)

* Changed bulk script add to delay reloading file list until end of operation.

* Adding style name to sqlproj typing file

* vBump to 1.0.1

extensions/sql-database-projects/src/sqldbproj.d.ts

@@ -215,6 +215,11 @@ declare module 'sqldbproj' {
 		 */
 		getDatabaseDefaultCollation(): string;
 
+		/**
+		 * Type of .sqlproj file, either "SdkStyle" or "LegacyStyle"
+		 */
+		readonly sqlProjStyleName: string;
+
 		/**
 		 * Path where dacpac is output to after a successful build
 		 */