tolk: fix match grammar (#2)

Author: i582

server/src/e2e/tolk/testcases/completion/local.test

@@ -90,3 +90,20 @@ fun foo(someParameter: int) {
 }
 ------------------------------------------------------------------------
 5  someParameter   int
+
+========================================================================
+Variable completion in match arm
+========================================================================
+fun foo() {
+    val some = 10;
+    val someOther = "hello";
+
+    match (some) {
+        10 => {
+            some<caret>
+        }
+    }
+}
+------------------------------------------------------------------------
+5  some   int
+5  someOther   slice

server/src/languages/tolk/tree-sitter-tolk/grammar.js

@@ -246,7 +246,7 @@ const TOLK_GRAMMAR = {
         choice($.tuple_vars_declaration, $.tensor_vars_declaration, $.var_declaration),
 
     block_statement: $ =>
-        prec(
+        prec.dynamic(
             100,
             seq(
                 "{",
@@ -541,7 +541,7 @@ const TOLK_GRAMMAR = {
         ),
 
     object_literal: $ =>
-        prec(
+        prec.dynamic(
             99,
             seq(optional(field("type", $._type_hint)), field("arguments", $.object_literal_body)),
         ),
@@ -635,6 +635,7 @@ module.exports = grammar({
         [$._expression, $.type_instantiatedTs],
         [$.tensor_type, $.tensor_expression],
         [$.union_type],
+        [$.block_statement, $.object_literal_body],
     ],
 
     extras: $ => [/\s/, $.comment],