bugfix rp alert to make it work with mouse clicks not just keyboard i…

…nput

(cherry picked from commit 2a858c64eefe37880252162ae18c42f28de3b78d)

illaclient/src/main/java/illarion/client/input/AbstractMouseOnMapEvent.java

@@ -17,6 +17,7 @@
 
 import illarion.common.memory.Poolable;
 import org.illarion.engine.input.Button;
+import illarion.client.IllaClient;
 
 import javax.annotation.Nonnull;
 
@@ -40,6 +41,7 @@ public abstract class AbstractMouseOnMapEvent extends AbstractMouseLocationEvent
      */
     protected AbstractMouseOnMapEvent(@Nonnull Button key, int x, int y) {
         super(x, y);
+        IllaClient.lastInputTime = System.currentTimeMillis() / 1000L; // Registers that the user is active client-side when clicking the mouse, for RP alert purposes
         this.key = key;
     }