Make Unit type default to Alpha

annotations/src/main/java/mindustry/annotations/entity/EntityProcess.java

@@ -878,7 +878,7 @@ public class EntityProcess extends BaseProcessor{
 
                 nullsBuilder.addField(FieldSpec.builder(type, Strings.camelize(baseName)).initializer("new " + className + "()").addModifiers(Modifier.FINAL, Modifier.STATIC, Modifier.PUBLIC).build());
 
-                write(nullBuilder);
+                write(nullBuilder, imports.asArray());
             }
 
             write(nullsBuilder);

core/src/mindustry/entities/comp/UnitComp.java

@@ -11,6 +11,7 @@ import arc.util.*;
 import mindustry.ai.*;
 import mindustry.ai.types.*;
 import mindustry.annotations.Annotations.*;
+import mindustry.content.*;
 import mindustry.core.*;
 import mindustry.ctype.*;
 import mindustry.entities.*;
@@ -41,7 +42,7 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
     @Import WeaponMount[] mounts;
 
     private UnitController controller;
-    UnitType type;
+    UnitType type = UnitTypes.alpha;
     boolean spawnedByCore;
     double flag;