Fix syntax for template inside template

indent/vue.vim

@@ -81,16 +81,16 @@ function! s:GetIndentByContext()
   let prevline = getline(s:PrevNonBlankNonComment(v:lnum))
   let curline = getline(v:lnum)
 
-  if curline =~ s:block_tag
-    let ind = 0
-  endif
-
-  if prevline =~ s:block_tag
-    if prevline !~ s:template_tag
+  " 0 for blocks except template as it can be nested
+  if curline =~ s:block_tag && curline !~ s:template_tag
       let ind = 0
     endif
   endif
 
+  if prevline =~ s:block_tag && prevline !~ s:template_tag
+      let ind = 0
+  endif
+
   return ind
 endfunction