RakuAST: tweaks needed for further =table development

- call interpret-as-table on the instance, not the type object
- make sure Fixups are done *before* Deparse, Raku and Podify,
  to allow *all* of the fixups to be seen by them.

src/core.c/RakuAST/Fixups.pm6

@@ -1,3 +1,4 @@
+my class RakuAST::LegacyPodify { ... }
 
 # This file contains augmentations to classes that are created in the
 # RakuAST bootstrap to allow a lot of logic (which will **NOT** be
@@ -343,7 +344,7 @@ augment class RakuAST::Doc::Block {
         }
 
         elsif $type eq 'table' {
-            self.interpret-as-table($spaces, @paragraphs);
+            $block.interpret-as-table($spaces, @paragraphs);
         }
 
         # potentially need introspection

tools/templates/6.c/core_sources

@@ -253,8 +253,8 @@ src/core.c/Rakudo/Internals/PostcircumfixAdverbs.pm6
 src/core.c/unicodey.pm6
 src/core.c/Unicode.pm6
 src/core.c/RakuAST/HTML/Entities.pm6
+src/core.c/RakuAST/Fixups.pm6
 src/core.c/RakuAST/Deparse.pm6
 src/core.c/RakuAST/Raku.pm6
 src/core.c/RakuAST/LegacyPodify.pm6
-src/core.c/RakuAST/Fixups.pm6
 src/core.c/core_epilogue.pm6