Digital ACT-191 ONEAPP-6682 story: fixed the bug dealing with the character counter

VDS/Components/TextFields/TextArea/TextArea.swift

@@ -251,7 +251,7 @@ open class TextArea: EntryFieldBase {
                 return countStr
             } else {
                 showError = false
-                errorText = ""
+                errorText = nil
                 return ("\(countStr)" + "/" + "\(maxLength ?? 0)")
             }
         } else {
@@ -261,7 +261,7 @@ open class TextArea: EntryFieldBase {
     
     open func highlightCharacterOverflow() {
         let count = textView.text.count
-        guard let maxLength, count > maxLength else {
+        guard let maxLength, maxLength > 0, count > maxLength else {
             textView.textAttributes = nil
             return
         }
@@ -315,6 +315,7 @@ extension TextArea: UITextViewDelegate {
             sendActions(for: .valueChanged)
         }
     }
+    
 }
 
 /// Will move this into a new file, need to talk with Scott/Kyle