fix error code

Author: wiiznokes

FanControl/app/build.gradle.kts

@@ -103,6 +103,9 @@ compose.desktop {
 
             linux {
                 iconFile.set(project.file("drawable/app_icon.png"))
+                menuGroup = "Utility"
+                shortcut = true
+                appCategory = "Utility"
             }
         }
     }

FanControl/app/include/linux/scripts/service/Manager.sh

@@ -16,10 +16,10 @@ systemdServiceFile="$systemdDir$serviceFileName"
 exeCopyDir="/usr/local/bin/$serviceName"
 
 # 1 is already taken by ExecutionPolicy exception (can't run script on the machine (on Windows of course)
-defaultErrorCode=2
-needAdminErrorCode=3
-notInstalledErrorCode=4
-needRuntimeErrorCode=5
+defaultErrorCode=101
+needAdminErrorCode=102
+notInstalledErrorCode=103
+needRuntimeErrorCode=104
 
 replaceInServiceFile() {
     local name="$1"