[GREENFOOT-840] Stride: getWorld()-autocomplet sets cursor inside the braces

When I write {code:java} this.getWo{code} and press CTRL-space to autocomplete, the phrase is correctly autocompleted to {noformat} this.getWorld(){noformat} but the cursor is sitting inside the braces. As getWorld gets no parameters this is bad. The cursor should sit behind the last brace.

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