Refactor SQL execution in DocumentCreateReadSQL

Changed namespace for DocumentCreateReadSQL and updated SQL command to use formatted strings for parameters. Simplified DocumentExecutor to directly use the formatted SQL, enhancing clarity and reducing complexity in parameter handling.

EnvelopeGenerator.Application/SQL/DocumentCreateReadSQL.cs

@@ -10,17 +10,17 @@ namespace EnvelopeGenerator.Application.SQL;
 public class DocumentCreateReadSQL : ISQL<EnvelopeDocument>
 {
     /// <summary>
-    /// 
+    /// Base64, OUT_UID
     /// </summary>
     public string Raw => @"
         USE [DD_ECM]
 
         DECLARE @BYTE_DATA1 as VARBINARY(MAX)
-        SET @BYTE_DATA1 = CONVERT(VARBINARY(MAX),'@Base64')
+        SET @BYTE_DATA1 = CONVERT(VARBINARY(MAX),{0})
         DECLARE	@OUT_DOCID int
 
         EXEC	[dbo].[PRSIG_API_ADD_DOC]
-		        @ENV_UID = @OUT_UID,
+		        @ENV_UID = {1},
 		        @BYTE_DATA = @BYTE_DATA1,
 		        @OUT_DOCID = @OUT_DOCID OUTPUT