cljr-rename-symbol doesn't play well with 'pretty-mode'

## Steps to reproduce the problem

Run `cljr-rename-symbol` with `foo` renamed to `bar` on

``` clojure
(defn foo [arg1 arg2])
(foo 1 2)
(partial foo 1)
```

## Expected behavior

``` clojure
(defn bar [arg1 arg2])
(bar 1 2)
(partial bar 1)
```

## Actual behavior

``` clojure
(defn bar [arg1 arg2])
(bar 1 2)
(partial foo 1)
```

## Environment & Version information

### CIDER version
```
;; CIDER 0.18.0snapshot (package: 20180802.1919), nREPL 0.2.13
;; Clojure 1.9.0, Java 10.0.1
```

### clj-refactor.el version
2.4.0-SNAPSHOT

### Lein version
Leiningen 2.8.1 on Java 10.0.1 OpenJDK 64-Bit Server VM

### Emacs version
26.1