### Godot version

v4.0.stable.official [92bee43ad]

### System information

Steam OS Holo, Steam Deck

### Issue description

Using a `[br]` tag at the end of a line in a documentation comment adds an additional space at the beginning of the following line:

![image](https://user-images.githubusercontent.com/857660/236700815-c78a317f-cdf8-4f3c-8489-41f9559ffe6d.png)


### Steps to reproduce

The script below is what I used to generate the image above:

```gdscript
class_name Test
extends Node

## High-level description
##
## First line of detail.[br]
## Second line of detail.
```

Removing the space between `##` and `Second` doesn't change the output.

The only workaround I've found so far is to remove the linebreak after the `[br]` tag, but this makes the documentation comments harder to read in the editor:

```gdscript
class_name Test
extends Node

## High-level description
##
## First line of detail.[br]Second line of detail.
```

### Minimal reproduction project

N/A
return nullptr;
			} else {
				if (expression->type == GDScriptParser::Node::LITERAL) {
					pattern->pattern_type = PatternNode::PT_LITERAL;
				} else {
					pattern->pattern_type = PatternNode::PT_EXPRESSION;
				}
				pattern->expression = expression;
			}
			break;
		}
	}
	complete_extents(pattern);
	return pattern;
}
bool GDScriptParser::PatternNode::has_bind(const StringName &p_name) {
	return binds.has(p_name);
}
GDScriptParser::IdentifierNode *GDScriptParser::PatternNode::get_bind(const StringName &p_name) {
	return binds[p_name];
}
GDScriptParser::WhileNode *GDScriptParser::parse_while() {
	WhileNode *n_while = alloc_node<WhileNode>();
	n_while->condition = parse_expression(false);
	if (n_while->condition == nullptr) {
		push_error(R"(Expected conditional expression after "while".)");
	}
	consume(GDScriptTokenizer::Token::COLON, R"(Expected ":" after "while" condition.)");
	
	bool could_break = can_break;