ci: fix build

Author: roperscrossroads

src/modules/ARRModule.cpp

@@ -468,7 +468,7 @@ bool ARRModule::addPriorityShortname(const char* shortname)
 bool ARRModule::addPriorityShortname(const String& shortname)
 {
     // Input validation
-    if (shortname.isEmpty() || shortname.length() > MAX_SHORTNAME_LENGTH) {
+    if (shortname.length() == 0 || shortname.length() > MAX_SHORTNAME_LENGTH) {
         LOG_WARN("ARR: Invalid shortname length: %d (max: %d)", shortname.length(), MAX_SHORTNAME_LENGTH);
         return false;
     }
@@ -493,7 +493,7 @@ bool ARRModule::addPriorityShortname(const String& shortname)
 
 bool ARRModule::removePriorityShortname(const String& shortname)
 {
-    if (shortname.isEmpty()) {
+    if (shortname.length() == 0) {
         return false;
     }
 
@@ -814,4 +814,4 @@ bool ARRModule::shouldRequestNodeInfo(NodeNum nodeId, uint32_t timeSinceHeard)
                                   ((now - lastRequestIt->second) > NODE_INFO_REQUEST_COOLDOWN);
 
     return dataIsGettingStale && requestCooldownExpired;
-}
+}