refactor: clean up parentheses on assign and ternary

Author: samsonasik

system/Database/BaseConnection.php

@@ -848,7 +848,7 @@ public function transBegin(bool $testMode = false): bool
         // Reset the transaction failure flag.
         // If the $test_mode flag is set to TRUE transactions will be rolled back
         // even if the queries produce a successful result.
-        $this->transFailure = ($testMode);
+        $this->transFailure = $testMode;
 
         if ($this->_transBegin()) {
             $this->transDepth++;

system/Database/MySQLi/Connection.php

@@ -96,7 +96,7 @@ public function connect(bool $persistent = false)
             $port     = null;
             $socket   = $this->hostname;
         } else {
-            $hostname = ($persistent) ? 'p:' . $this->hostname : $this->hostname;
+            $hostname = $persistent ? 'p:' . $this->hostname : $this->hostname;
             $port     = empty($this->port) ? null : $this->port;
             $socket   = '';
         }