Fixed a bug that when using pgsql, adminer/editer search tries to access the index of string for string.

[ytetsuro]

I happen error following.
I am using 4.8.1.

[Tue Jul 11 19:51:02 2023] PHP Fatal error:  Uncaught TypeError: Cannot access offset of type string on string in /Users/xxx/Desktop/editor.php:450
Stack trace:
#0 /Users/xxx/Desktop/editor.php(1199): Min_Driver->convertSearch()
#1 /Users/xxx/Desktop/editor.php(1490): Adminer->selectSearchProcess()
#2 /Users/xxx/Desktop/adminer.php(40): include('...')
#3 {main}
  thrown in /Users/xxx/Desktop/editor.php on line 450

[ytetsuro]

With pgsql driver selected, try to search for data in a particular table.

[Baltix]

Original project is no longer maintained, please send your commits to AdminerEvo - https://github.com/adminerevo/adminerevo