[Rust] Fix type names in generics

This commit ...
1. includes `all-generic-type-names` in generics
   to properly highlight all types
2. scopes static type access (e.g.: nir::) `variable.other`
   as this is the scope used everywhere else.

Rust/Rust.sublime-syntax

@@ -640,6 +640,7 @@ contexts:
       scope: punctuation.accessor.rust
       set: [type-path-second, path-after-accessor]
     - include: type-names
+    - include: generic-identifier-names
     - include: else-pop
 
   type-path-second:
@@ -813,7 +814,7 @@ contexts:
                   scope: punctuation.separator.rust
                 - match: \b(Self)\b
                   scope: keyword.other.rust
-                - match: '{{identifier}}'
+                - include: all-generic-type-names
                 - match: '(?=\S)'
                   pop: true
         - include: types

Rust/tests/syntax_test_generics.rs

@@ -526,7 +526,11 @@ fn impl_trait_with_plus() -> impl Iterator<Item = hir::GenericParam<'hir>> + Cap
 //                           ^^^^ storage.type.impl
 //                                ^^^^^^^^ support.type
 //                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ meta.generic - meta.generic meta.generic
+//                                         ^^^^ storage.type.rust
 //                                              ^ keyword.operator
+//                                                ^^^ variable.other.rust
+//                                                   ^^ punctuation.accessor.rust
+//                                                     ^^^^^^^^^^^^ storage.type.rust
 //                                                                 ^^^^^^ meta.generic meta.generic
 //                                                                  ^^^^ storage.modifier.lifetime
 //                                                                       ^ meta.generic - meta.generic meta.generic