fix: 'q' would close the ui when you're typing in something

src/net/torvald/terrarum/TerrarumGlobalState.kt

@@ -0,0 +1,25 @@
+package net.torvald.terrarum
+
+/**
+ * Created by minjaesong on 2023-09-05.
+ */
+object TerrarumGlobalState {
+
+    var HAS_KEYBOARD_INPUT_FOCUS = CountedBool()
+
+}
+
+class CountedBool {
+    private var counter = 0L
+
+    fun set() {
+        counter += 1
+    }
+    fun unset() {
+        if (counter >= 1) counter -= 1
+    }
+    val value: Boolean
+        get() = counter > 0
+    fun isOn() = value
+    fun isOff() = !value
+}