A class definition with wrong structure is replaced by ERROR

[AdarWeidman]

Problem description

When parsing a badly-written code, I'd expect treesitter to have an error.
For example:

public class cl1
{

yields a "MISSING" error at the end:

program [0, 0] - [4, 0]
  class_declaration [0, 0] - [1, 1]
    modifiers [0, 0] - [0, 6]
    name: identifier [0, 13] - [0, 16]
    body: class_body [1, 0] - [1, 1]
      MISSING } [1, 1] - [1, 1]

Which makes sense.

BUT, if we mistakenly write something wrong there - I mistakenly closed the class with the wrong parentheses, ")" instead of "}" -

public class cl1
{
)

The class_declaration disappears and is replaced by "ERROR":

program [0, 0] - [3, 0]
  ERROR [0, 0] - [2, 1]
    modifiers [0, 0] - [0, 6]
    identifier [0, 13] - [0, 16]

Although the modifiers and identifiers are still there, so the system "knows" it's a class, just fails to communicate it.

The same happens in many other incomplete class structure, such as:

public class cl1
{
a = 3

But when adding a semi-colon, the class_declaration appears back.

I would expect to have the ERROR (or MISSING) in the bottom of the tree, and keep the class_declaration above, even possibly also have body.