Fix Stringium gneration when translation contains an =

Sources/Strings/Parser/TwineFileParser.swift

@@ -40,13 +40,8 @@ class TwineFileParser {
                           return
                       }
                 
-                let rightElement: String = {
-                    if let last = splitLine.last, splitLine.count == 2 {
-                        return String(last)
-                    }
-                    return ""
-                }()
-                
+                let rightElement: String = splitLine.dropFirst().joined(separator: "=")
+                    
                 // "fr " => "fr"
                 let leftHand = String(leftElement).removeTrailingWhitespace()
                 // " Test" => "Test"