Shutdown previus AutosaveManager and BackupManager during SaveAs (#2994)

Author: mpele

CHANGELOG.md

@@ -30,6 +30,7 @@ We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#
 - We improved the duplicate checker such that different editions of the same publication are not marked as duplicates. [2960](https://github.com/JabRef/jabref/issues/2960)
 
 ### Fixed
+- We fixed a bug that leaves .sav file after SaveAs [#2947](https://github.com/JabRef/jabref/issues/2947)
 - We fixed the function "Edit - Copy BibTeX key and link" to pass a hyperlink rather than an HTML statement.
 - We fixed the adding of a new entry from DOI which led to a connection error. The DOI resolution now uses HTTPS to protect the user's privacy.[#2879](https://github.com/JabRef/jabref/issues/2897)
 - We fixed the IEEE Xplore web search functionality [#2789](https://github.com/JabRef/jabref/issues/2789)

src/main/java/org/jabref/gui/exporter/SaveDatabaseAction.java

@@ -316,7 +316,8 @@ public void saveAs() throws Exception {
      */
     public void saveAs(File file) throws Exception {
         BibDatabaseContext context = panel.getBibDatabaseContext();
-
+        Path oldFile = context.getDatabasePath().get();
+        
         if (context.getLocation() == DatabaseLocation.SHARED) {
             // Save all properties dependent on the ID. This makes it possible to restore them.
             DBMSConnectionProperties properties = context.getDBMSSynchronizer().getDBProcessor()
@@ -334,8 +335,14 @@ public void saveAs(File file) throws Exception {
         if (!success) {
             return;
         }
-        // Register so we get notifications about outside changes to the file.
 
+        //closing AutosaveManager and BackupManager for original library 
+        context.setDatabaseFile(oldFile.toFile());
+        AutosaveManager.shutdown(context);
+        BackupManager.shutdown(context);
+        context.setDatabaseFile(file);
+        
+        // Register so we get notifications about outside changes to the file.
         try {
             panel.setFileMonitorHandle(Globals.getFileUpdateMonitor().addUpdateListener(panel,
                     context.getDatabaseFile().orElse(null)));