Fix "search" bug

[L-codes]

Since module_metadata.notes['AKA'] is not Array caused an error

msf5 > search test
[-] Error while running command search: no implicit conversion of String into Array

[bcoles]

Confirmed.

msf5 > use auxiliary/gather/rails_doubletap_file_read 
msf5 auxiliary(gather/rails_doubletap_file_read) > info
[-] Error while running command info: undefined method `each' for "DoubleTap":String

Call stack:
/root/Desktop/metasploit-framework/lib/msf/base/serializer/readable_text.rb:682:in `dump_aka'
/root/Desktop/metasploit-framework/lib/msf/base/serializer/readable_text.rb:345:in `dump_auxiliary_module'
/root/Desktop/metasploit-framework/lib/msf/base/serializer/readable_text.rb:32:in `dump_module'
/root/Desktop/metasploit-framework/lib/msf/ui/console/command_dispatcher/modules.rb:132:in `cmd_info'
/root/Desktop/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:522:in `run_command'
/root/Desktop/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:473:in `block in run_single'
/root/Desktop/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:467:in `each'
/root/Desktop/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:467:in `run_single'
/root/Desktop/metasploit-framework/lib/rex/ui/text/shell.rb:151:in `run'
/root/Desktop/metasploit-framework/lib/metasploit/framework/command/console.rb:48:in `start'
/root/Desktop/metasploit-framework/lib/metasploit/framework/command/base.rb:82:in `start'
./msfconsole:49:in `<main>'

[bcoles]

Release Notes

This fixes the Notes hash AKA array in the rails_doubletap_file_read auxiliary module to prevent a syntax error when parsing module info.