[3.0] Fix Installer column mismatch

Sources/Db/APIs/MySQL.php

@@ -407,7 +407,7 @@ public function insert(string $method, string $table, array $columns, array $dat
 		foreach ($data as $dataRow) {
 			if (\count($indexed_columns) !== \count($dataRow)) {
 					$this->error_backtrace(
-						'Invalid insert query.  Requested columns does not match the number keys on inserted data.',
+						'Invalid insert query.  Requested column count does not match the number of keys on inserted data.',
 						'',
 						E_USER_ERROR,
 						__FILE__,

Sources/Db/APIs/PostgreSQL.php

@@ -456,7 +456,7 @@ public function insert(string $method, string $table, array $columns, array $dat
 			foreach ($data as $dataRow) {
 				if (\count($indexed_columns) !== \count($dataRow)) {
 						$this->error_backtrace(
-							'Invalid insert query.  Requested columns does not match the number keys on inserted data.',
+							'Invalid insert query.  Requested column count does not match the number of keys on inserted data.',
 							'',
 							E_USER_ERROR,
 							__FILE__,

Sources/Db/DatabaseApi.php

@@ -394,7 +394,7 @@ public function getTypeIndicators(string $table_name, array $column_values): arr
 			// defined the way they are supposed to be, but that's fine since
 			// if the theoretical column type doesn't match the actual column
 			// type, we are doomed to run into errors anyway.
-			$table = Schema\Table::find($table_name, preg_replace('/^(\d+)\.(\d+)/', 'v$1_$2', SMF_VERSION));
+			$table = Schema\Table::find($table_name, preg_replace('/^(\d+)\.(\d+).*/', 'v$1_$2', SMF_VERSION));
 
 			if ($table instanceof Schema\Table) {
 				foreach ($table->columns as $col) {