keyremapping: add option to remap space in dialog

runelite-client/src/main/java/net/runelite/client/plugins/keyremapping/KeyRemappingConfig.java

@@ -241,4 +241,15 @@ public interface KeyRemappingConfig extends Config
 	{
 		return new ModifierlessKeybind(KeyEvent.VK_ESCAPE, 0);
 	}
+
+	@ConfigItem(
+		position = 20,
+		keyName = "space",
+		name = "Space",
+		description = "The key which will replace {Space} when dialogs are open."
+	)
+	default ModifierlessKeybind space()
+	{
+		return new ModifierlessKeybind(KeyEvent.VK_SPACE, 0);
+	}
 }

runelite-client/src/main/java/net/runelite/client/plugins/keyremapping/KeyRemappingListener.java

@@ -156,6 +156,11 @@ class KeyRemappingListener implements KeyListener
 				}
 			}
 
+			if (plugin.isDialogOpen() && config.space().matches(e))
+			{
+				mappedKeyCode = KeyEvent.VK_SPACE;
+			}
+
 			if (mappedKeyCode != KeyEvent.VK_UNDEFINED && mappedKeyCode != e.getKeyCode())
 			{
 				final char keyChar = e.getKeyChar();