Log IOException in plugin update (#7960)

patches/api/Update-Folder-Uses-Plugin-Name.patch

@@ -48,16 +48,21 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +                    continue;
 +                }
 +                if (!pluginName.equals(updatePluginName)) continue;
-+                if (!FileUtil.copy(updateFile, file)) continue;
++                try {
++                    java.nio.file.Files.copy(updateFile.toPath(), file.toPath());
++                } catch (java.io.IOException exception) {
++                    server.getLogger().log(Level.SEVERE, "Could not copy '" + updateFile.getPath() + "' to '" + file.getPath() + "' in update plugin process", exception);
++                    continue;
++                }
 +                File newName = new File(file.getParentFile(), updateFile.getName());
 +                file.renameTo(newName);
 +                updateFile.delete();
 +                return newName;
 +            }
-+        }
+         }
 +        catch (InvalidDescriptionException e) {
 +            throw new InvalidPluginException(e);
-         }
++        }
 +        return file;
 +    }