Do not try to lazy parse a block without opening bracket

It can consume the whole file in such case
which will result PsiBuilder going crazy

#KT-36191 fixed

compiler/testData/psi/stringTemplates/StringTemplateWithTryWithoutBlockInLongEntry.txt

@@ -0,0 +1,40 @@
+KtFile: StringTemplateWithTryWithoutBlockInLongEntry.kt
+  PACKAGE_DIRECTIVE
+    <empty list>
+  IMPORT_LIST
+    <empty list>
+  FUN
+    PsiElement(fun)('fun')
+    PsiWhiteSpace(' ')
+    PsiElement(IDENTIFIER)('foo')
+    VALUE_PARAMETER_LIST
+      PsiElement(LPAR)('(')
+      PsiElement(RPAR)(')')
+    PsiWhiteSpace(' ')
+    BLOCK
+      PsiElement(LBRACE)('{')
+      PsiWhiteSpace('\n  ')
+      CALL_EXPRESSION
+        REFERENCE_EXPRESSION
+          PsiElement(IDENTIFIER)('println')
+        VALUE_ARGUMENT_LIST
+          PsiElement(LPAR)('(')
+          VALUE_ARGUMENT
+            STRING_TEMPLATE
+              PsiElement(OPEN_QUOTE)('"')
+              LONG_STRING_TEMPLATE_ENTRY
+                PsiElement(LONG_TEMPLATE_ENTRY_START)('${')
+                TRY
+                  PsiElement(try)('try')
+                  BLOCK
+                    PsiErrorElement:Expecting '{' to open a block
+                      <empty list>
+                    PsiErrorElement:Expecting an element
+                      PsiElement(LONG_TEMPLATE_ENTRY_END)('}')
+                    PsiErrorElement:Unexpected tokens (use ';' to separate expressions on the same line)
+                      PsiElement(CLOSING_QUOTE)('"')
+                      PsiElement(RPAR)(')')
+                    PsiWhiteSpace('\n')
+                    PsiElement(RBRACE)('}')
+                  PsiErrorElement:Expecting 'catch' or 'finally'
+                    <empty list>