Rename Habbo jar pattern to Polaris and bump JVM heap to 4G

update-Nitrov3.sh

@@ -373,7 +373,7 @@ update_emulator() {
             tail -10 "$LOG_FILE" | grep -E '(ERROR|FAILURE|BUILD)' || true
             die "Maven build failed (see: $LOG_FILE)"
         fi
-        local jar=$(find target -maxdepth 1 -name 'Habbo-*-jar-with-dependencies.jar' -printf '%T@ %p\n' 2>/dev/null | sort -rn | sed -n '1s/^[0-9.]* //p' | xargs -r basename 2>/dev/null || echo "")
+        local jar=$(find target -maxdepth 1 -name 'Polaris-*-jar-with-dependencies.jar' -printf '%T@ %p\n' 2>/dev/null | sort -rn | sed -n '1s/^[0-9.]* //p' | xargs -r basename 2>/dev/null || echo "")
         [ -z "$jar" ] && die "No jar found"
         ok "Jar: $jar"
         cd target/
@@ -383,7 +383,7 @@ file_name_emulator=emulator.log
 current_time=\$(date "+%H%M_%d-%m-%Y")
 file_name=\$file_name_emulator.\$current_time
 mv /var/log/emu/emulator.log /var/log/emu/\$file_name
-java -Dfile.encoding=UTF8 -Xmx2G -jar $jar
+java -Dfile.encoding=UTF8 -Xmx4G -jar $jar
 EOJ
         chmod +x emulator; ok "Launch script updated"
         cd "$SCRIPT_DIR"