Cleaned up BlockBase and CommentBase toJson and fromJson Calls

[BeksOmega]

The basics

• I branched from develop
• My pull request is against develop
• My code follows the style guide

The details

Resolves

N/A

Proposed Changes

Makes it so that the BlockBase and CommentBase events properly call the base toJson and fromJson functions.

Reason for Changes

Code simplification.

Test Coverage

These are the base functions:

Blockly.Events.Abstract.prototype.toJson = function() {
  var json = {
    'type': this.type
  };
  if (this.group) {
    json['group'] = this.group;
  }
  return json;
};

Blockly.Events.Abstract.prototype.fromJson = function(json) {
  this.group = json['group'];
};

Also link.

As you can see this means we achieve the same functionality as before.

If there are other tests you'd like me to do I'd be glad to =)

Tested on:

Documentation

Nope!

Additional Information

@rachel-fenichel since I'm touching workspace comments.

[rachel-fenichel]

One problem and then it's good.

[rachel-fenichel]

Typo: COmment -> Comment

[BeksOmega]

Fixed.