[scribe-org#371] Apply PR feedback

Fixed issue with CapsLock state not showing on iPhone.
Added a missing period in a description.
Fixed an issue with the Return key having the wrong color in some cases.
Fixed a crash in Command mode when no input is supplied by the user.

Keyboards/KeyboardsBase/KeyboardKeys.swift

@@ -285,7 +285,7 @@ class KeyboardKey: UIButton {
     }
   }
 
-  /// Adjusts the style of the button based on different states
+  /// Adjusts the style of the button based on different states.
   func adjustButtonStyle() {
     guard let isSpecial = layer.value(forKey: "isSpecial") as? Bool else { return }
 
@@ -308,7 +308,13 @@ class KeyboardKey: UIButton {
     case "shift":
       if shiftButtonState == .shift {
         backgroundColor = keyPressedColor
+
         styleIconBtn(btn: self, color: UIColor.label, iconName: "shift.fill")
+      } else if DeviceType.isPhone && capsLockButtonState == .locked {
+        // We need to style the SHIFT button instead of the CAPSLOCK since the keyboard is smaller
+        backgroundColor = keyPressedColor
+
+        styleIconBtn(btn: self, color: UIColor.label, iconName: "capslock.fill")
       } else {
         backgroundColor = specialKeyColor
       }
@@ -317,6 +323,8 @@ class KeyboardKey: UIButton {
       if [.translate, .conjugate, .plural].contains(commandState) {
         // Color the return key depending on if it's being used as enter for commands.
         backgroundColor = commandKeyColor
+      } else {
+        backgroundColor = specialKeyColor
       }
 
     default:

Keyboards/KeyboardsBase/ScribeFunctionality/Annotate.swift

@@ -229,18 +229,23 @@ func selectedWordAnnotation(KVC: KeyboardViewController) {
 /// - Parameters
 ///   - KVC: the keyboard view controller.
 func typedWordAnnotation(KVC: KeyboardViewController) {
-  if proxy.documentContextBeforeInput?.count != 0 {
-    wordsTyped = proxy.documentContextBeforeInput!.components(separatedBy: " ")
-    let lastWordTyped = wordsTyped.secondToLast()
-    if !languagesWithCapitalizedNouns.contains(controllerLanguage) {
-      wordToCheck = lastWordTyped!.lowercased()
-    } else {
-      wordToCheck = lastWordTyped!
-    }
-    wordAnnotation(wordToAnnotate: wordToCheck, KVC: KVC)
-  } else {
+  guard let documentContextBeforeInput = proxy.documentContextBeforeInput, !documentContextBeforeInput.isEmpty else {
+    return
+  }
+
+  wordsTyped = documentContextBeforeInput.components(separatedBy: " ")
+
+  guard let lastWordTyped = wordsTyped.secondToLast() else {
     return
   }
+
+  if !languagesWithCapitalizedNouns.contains(controllerLanguage) {
+    wordToCheck = lastWordTyped.lowercased()
+  } else {
+    wordToCheck = lastWordTyped
+  }
+
+  wordAnnotation(wordToAnnotate: wordToCheck, KVC: KVC)
 }
 
 /// Annotates nouns during autocomplete and autosuggest.