Fix check of request initiator being "fetch"

Author: antosart

index.bs

@@ -4350,12 +4350,12 @@ this algorithm returns normally if compilation is allowed, and throws a
   1.  If |request|'s [=request/initiator=] is "`prefetch`" or "`prerender`",
       return `default-src`.
 
-  2.  If |request|'s <a for="request">initiator</a> is "`fetch`" or its
-      <a for="request">destination</a> is "", return `connect-src`.
-
-  3.  Switch on |request|'s <a for="request">destination</a>, and execute
+  2.  Switch on |request|'s <a for="request">destination</a>, and execute
       the associated steps:
 
+      : the empty string
+      ::
+        1.  Return `connect-src`.
       : "`manifest`"
       ::
         1.  Return `manifest-src`.
@@ -4409,7 +4409,7 @@ this algorithm returns normally if compilation is allowed, and throws a
       ::
         1. Return null.
 
-  4.  Return `connect-src`.
+  3.  Return `connect-src`.
 
   Note: The algorithm returns `connect-src` as a default fallback. This is
   intended for new fetch destinations that are added and which don't explicitly