Fix searching for NUT Network UPS would return no results

due to branding stuff

source/community.applications/usr/local/emhttp/plugins/community.applications/include/exec.php

@@ -237,6 +237,7 @@ function DownloadApplicationFeed() {
 		$o['RepoName']      = $o['Repo'];
 		$o['SortAuthor']    = $o['Author'];
 		$o['SortName']      = str_replace("-"," ",$o['Name']);
+		$o['SortName']      = preg_replace('/\s+/',' ',$o['SortName']);
 		$o['CardDescription'] = (strlen($o['Description']) > 240) ? substr($o['Description'],0,240)." ..." : $o['Description'];
 
 		if ( $o['IconHTTPS'] )

source/community.applications/usr/local/emhttp/plugins/community.applications/include/helpers.php

@@ -364,6 +364,7 @@ function validURL($URL) {
 function filterMatch($filter,$searchArray,$exact=true) {
 	$filterwords = explode(" ",$filter);
 	foreach ( $filterwords as $testfilter) {
+		if ( ! trim($testfilter) ) continue;
 		foreach ($searchArray as $search) {
 			if ( stripos($search,$testfilter) !== false ) {
 				$foundword++;