Re-order frontend build steps

(cherry picked from commit 97ad6682f7d54af8886144bc5a179fa7242f1f1f)

build.sh

@@ -392,22 +392,22 @@ then
     fi
 fi
 
-if [ "$FRONTEND" = "YES" ];
-then
-    YarnInstall
-    RunWebpack
-fi
-
 if [ "$LINT" = "YES" ];
 then
     if [ -z "$FRONTEND" ];
     then
         YarnInstall
     fi
-    
+
     LintUI
 fi
 
+if [ "$FRONTEND" = "YES" ];
+then
+    YarnInstall
+    RunWebpack
+fi
+
 if [ "$PACKAGES" = "YES" ];
 then
     UpdateVersionNumber