Update invoice_config rounding_function from bool -> str

models/formatter.go

@@ -78,16 +78,14 @@ type CallStat struct {
 	InterpreterAccepted       bool
 	InterpreterConnectedCount int
 	InterpreterConnected      bool
-	// InterpreterCount          int
-	// InterpreterConnected      bool
-	ClientDisconnected bool
-	UtsDuration        int
-	UtsEntries         int
-	Status             string
-	SubStatus          string
-	FirstLanguageId    int
-	LastLanguageId     int
-	FirstInterpreter   string
+	ClientDisconnected        bool
+	UtsDuration               int
+	UtsEntries                int
+	Status                    string
+	SubStatus                 string
+	FirstLanguageId           int
+	LastLanguageId            int
+	FirstInterpreter          string
 }
 
 func (CallStat) TableName() string {