Restore IT test for server-legacy and fix many errors (#279)

vharseko

12.41.2023 0de6858e9548e84aebc148747be92a811ba33636

 opendj-server-legacy/src/main/java/org/opends/server/util/LDIFWriter.java

@@ -726,7 +726,8 @@
  public static void appendLDIFSeparatorAndValue(StringBuilder buffer,
      ByteSequence valueBytes, boolean isURL, boolean isBase64)
  {
    ifNull(buffer, valueBytes);
    ifNull(buffer);
    ifNull(valueBytes);


    // If the value is empty, then just append a single colon (the URL '<' if