Bug 17535: Fix search for reports by keywords

Bug 17535: Fix search for reports by keywords

The commit cf9031711282f4be23e4a639797d0fd178940e1f
    Bug 14435: Add the ability to store result's report
introduced a regression when searching for reports by keywords.
It also breaks tests in t/db_dependent/Reports/Guided.t

It's caused by the missing join on saved_reports.
The error says DBD::mysql::db selectall_arrayref failed: Unknown column
'report' in 'where clause'

Test plan:
Confirm that the tests are fixed and that you are able to search for
reports using the "keyword" input

Signed-off-by: Josef Moravec <josef.moravec@gmail.com>
Signed-off-by: Katrin Fischer  <katrin.fischer@bsz-bw.de>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>