Fix equalsPlaceholderText for when only one of the strings is empty

Author: yairm210

Diff for: core/src/com/unciv/models/ruleset/unique/Countables.kt

@@ -202,7 +202,6 @@ enum class Countables(
             errors.add("`$text` contains parameter `$actualParameterText` which is invalid for type `${parameterType.name}`")
         }
         return errors
-        
     }
 
 

Diff for: core/src/com/unciv/models/translations/Translations.kt

@@ -502,6 +502,7 @@ fun String.getPlaceholderText(): String {
 
 fun String.equalsPlaceholderText(str: String): Boolean {
     if (isEmpty() && str.isEmpty()) return true // Empty strings have no .first()
+    if (isEmpty() != str.isEmpty()) return false
     if (first() != str.first()) return false // for quick negative return 95% of the time
     return this.getPlaceholderText() == str
 }