Refactor: Unify filesize unit to bytes

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/zip/CityGmlZipEntryFile.java

@@ -11,7 +11,6 @@ public class CityGmlZipEntryFile implements AutoCloseable {
     private final ZipEntry zipEntry;
     private final CityGmlZipEntry cgmlZipEntry;
     private boolean closed = false;
-    private static final long MB = 1024 * 1024L;
 
     public CityGmlZipEntryFile(CityGmlZipEntry entry) throws IOException {
         CityGmlZipArchive archive = entry.getArchive();
@@ -38,9 +37,9 @@ public class CityGmlZipEntryFile implements AutoCloseable {
                 for (int i = is.read(); i != -1; i = is.read()) {
                     bytes++;
                 }
-                cgmlZipEntry.setFileSize((long) Math.ceil((double) bytes / MB));
+                cgmlZipEntry.setFileSize(bytes);
             } else {
-                cgmlZipEntry.setFileSize((long) Math.ceil((double) zipEntry.getSize() / MB));
+                cgmlZipEntry.setFileSize(zipEntry.getSize());
             }
         }
         return cgmlZipEntry.getFileSize();