Rollup merge of #36148 - birryree:E0194_bonus_format, r=jonathandturner

Bonus format for E0194

Bonus fix for #35280. Part of #35233. Fixes #36057. Adding expanded notes/context for what trait a parameter shadows as part of E0194 error messages.

Errors for E0194 now look like this:

```
$> ./build/x86_64-apple-darwin/stage1/bin/rustc src/test/compile-fail/E0194.rs
error[E0194]: type parameter `T` shadows another type parameter of the same name
  --> src/test/compile-fail/E0194.rs:13:26
   |
11 | trait Foo<T> { //~ NOTE first `T` declared here
   |           - first `T` declared here
12 |     fn do_something(&self) -> T;
13 |     fn do_something_else<T: Clone>(&self, bar: T);
   |                          ^ shadows another type parameter

error: aborting due to previous error
```

r? @jonathandturner

0 files changed, 0 insertions, 0 deletions