KeyHandler // Simplify certain if conditions.

Source/Modules/ControllerModules/KeyHandler_Core.swift

@@ -137,15 +137,13 @@ class KeyHandler {
   /// 估算對象範圍。用比較形象且生動卻有點噁心的解釋的話，蒼蠅一邊吃一邊屙。
   var popOverflowComposingTextAndWalk: String {
     var textToCommit = ""
-    if compositor.grid.width > mgrPrefs.composingBufferSize {
-      if !walkedAnchors.isEmpty {
+    if compositor.grid.width > mgrPrefs.composingBufferSize, !walkedAnchors.isEmpty {
       let anchor: Megrez.NodeAnchor = walkedAnchors[0]
       if let theNode = anchor.node {
         textToCommit = theNode.currentKeyValue.value
       }
       compositor.removeHeadReadings(count: anchor.spanningLength)
     }
-    }
     walk()
     return textToCommit
   }