patch 8.2.2135: Vim9: #{ still seen as start of dict in some places

Problem:    Vim9: #{ still seen as start of dict in some places.
Solution:   Remove check for { after #. (closes #7456)

src/ex_docmd.c

@@ -1683,7 +1683,7 @@ comment_start(char_u *p, int starts_with_colon UNUSED)
 {
 #ifdef FEAT_EVAL
     if (in_vim9script())
-	return p[0] == '#' && p[1] != '{' && !starts_with_colon;
+	return p[0] == '#' && !starts_with_colon;
 #endif
     return *p == '"';
 }
@@ -4780,7 +4780,6 @@ separate_nextcmd(exarg_T *eap)
 		|| (*p == '#'
 		    && in_vim9script()
 		    && !(eap->argt & EX_NOTRLCOM)
-		    && p[1] != '{'
 		    && p > eap->cmd && VIM_ISWHITE(p[-1]))
 #endif
 		|| *p == '|' || *p == '\n')

src/testdir/test_vim9_script.vim

@@ -2069,7 +2069,21 @@ def Test_vim9_comment()
   CheckScriptSuccess([
       'vim9script',
       '# something',
+      '#something',
+      '#{something',
       ])
+
+  split Xfile
+  CheckScriptSuccess([
+      'vim9script',
+      'edit #something',
+      ])
+  CheckScriptSuccess([
+      'vim9script',
+      'edit #{something',
+      ])
+  close
+
   CheckScriptFailure([
       'vim9script',
       ':# something',

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2135,
 /**/
     2134,
 /**/