R1:ca83e4c6a864

Adjust Phriction remarkup rule priority

Summary: Fixes T5645. See D9964.

Test Plan:
Accurate link for `[[ xyz | T25 ]]`.

Here are the priorities:

```
0 PhutilRemarkupRuleEscapeRemarkup
100 PhutilRemarkupRuleMonospace
150 PhutilRemarkupRuleDocumentLink
175 PhrictionRemarkupRule
200 HarbormasterRemarkupRule
200 PhabricatorRemarkupRuleEmbedFile
200 DivinerRemarkupRuleSymbol
200 PhabricatorCountdownRemarkupRule
200 LegalpadDocumentRemarkupRule
200 PhabricatorRemarkupRuleMeme
200 PassphraseRemarkupRule
200…