[instrument_manager] Fixing error in generate_tables_sql_and_testName…

…s tool (#9157)

The tools/generate_tables_sql_and_testNames.php script is causing an error when uploading a new instrument using the Instrument Manager module. Since the output string was being reset to empty within the for-loop, the "Create Table" statement was not properly generated.

tools/generate_tables_sql_and_testNames.php

@@ -29,11 +29,11 @@
 $parameterCount = 0;
 $pages          = [];
 foreach ($instruments as $instrument) {
-    $catId = "";
-    $items = explode("\n", trim($instrument));
+    $catId  = "";
+    $output = "";
+    $items  = explode("\n", trim($instrument));
     foreach ($items as $item) {
         $paramId = "";
-        $output  = "";
         $bits    = explode("{@}", trim($item));
         if (preg_match("/Examiner[0-9]*/", $bits[1])) {
             continue;