Fix off-by-one bug in the if/else add-button
Fix off-by-one bug in the if/else add-button

Incorrect JS was generated when pressing the '+' button on an else statement with no space before the bracket.

Before: `else{` -> `els if (__) e{`
After: `else{` -> `else if {`

PencilCode/droplet,droplet-editor/droplet,droplet-editor/droplet,joshlory/droplet,joshlory/droplet,PencilCode/droplet