(bug 58505) pass 'textmissing' error and raise serverError

Sometimes the text is missing and we get a "textmissing" entry
via api. Now we ignore that bug and we raise a serverError
in next step because textareaFound remains false.

Change-Id: I63bfea933a00243c7b38d8c71f5733b2b6d092af
Merge "(bug 58505) pass 'textmissing' error and raise serverError"