fix stupid variable names

src/Controller/CommunityController.php

@@ -53,18 +53,18 @@ class CommunityController implements IAuthenticationRequired
 
         $balanceCalculator = new BalanceCalculator($community);
         $debts = $balanceCalculator->calculate();
-        $debtUsers = [];
+        $debtItems = [];
         $debtBalance = 0.0;
-        $outstandingUsers = [];
+        $outstandingItems = [];
         $outstandingBalance = 0.0;
         foreach ($debts as $debt) {
             if ($debt['payer']->getId() === \Container::$request->user()->getUniqueId()) {
                 $debtBalance += $debt['amount'];
-                $debtUsers[] = $debt;
+                $debtItems[] = $debt;
             }
             if ($debt['payee']->getId() === \Container::$request->user()->getUniqueId()) {
                 $outstandingBalance += $debt['amount'];
-                $outstandingUsers[] = $debt;
+                $outstandingItems[] = $debt;
             }
         }
         $balance = $outstandingBalance - $debtBalance;
@@ -74,9 +74,9 @@ class CommunityController implements IAuthenticationRequired
             'members' => $this->getMembers($community),
             'currencies' => $this->getCurrencies($community),
             'upcomingEvents' => [],
-            'debtUsers' => $debtUsers,
+            'debtItems' => $debtItems,
             'debtBalance' => $debtBalance,
-            'outstandingUsers' => $outstandingUsers,
+            'outstandingItems' => $outstandingItems,
             'outstandingBalance' => $outstandingBalance,
             'balance' => $balance,
             'editPermission' => $ownCommunityMember->getOwner()