chatcommands: Don't remove spaces before cleared word (#11017)

runelite-client/src/main/java/net/runelite/client/plugins/chatcommands/ChatKeyboardListener.java

@@ -72,16 +72,8 @@ public class ChatKeyboardListener implements KeyListener
 				}
 
 				// find next word
-				int idx = input.lastIndexOf(' ');
-				final String replacement;
-				if (idx != -1)
-				{
-					replacement = input.substring(0, idx);
-				}
-				else
-				{
-					replacement = "";
-				}
+				int idx = input.lastIndexOf(' ') + 1;
+				final String replacement = input.substring(0, idx);
 
 				clientThread.invoke(() -> applyText(inputTye, replacement));
 			}