(ok 2.11.4) \"Back\" link after a SQL error forgets the query

Using svn revision 10937.
(2.11.3-dev)

Step-by-step:
- Navigate to the stage where you have the database structure (the list with the tables) in the main frame.
- Click on the SQL link in the "toolbar".
- In the "Run SQL query/queries on database XXXXX" text area type a query that will generate an error.
- Press "Go" button to submit.
- When the Error screen appears press the "Back" link at its bottom.

Expected result: the text area with the sql query (as typed) to be displayed, so the user can correct and re-run it.

Actual result: the database structure frame is displayed. The sql query text is "lost".

The expected behavior happens if a table is selected first.

Searched in the bugs list by:

summary:(+sql +error +back) OR details:(+sql +error +back) OR all_comments:(+sql +error +back)) AND group_artifact_id:(377408)

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