Use short ty string for binop and unop errors

[estebank]

error[E0369]: cannot add `(..., ..., ..., ...)` to `(..., ..., ..., ...)`
  --> $DIR/binop.rs:10:7
   |
LL |     x + x;
   |     - ^ - (..., ..., ..., ...)
   |     |
   |     (..., ..., ..., ...)
   |
   = note: the full name for the type has been written to '$TEST_BUILD_DIR/$FILE.long-type-hash.txt'
   = note: consider using `--verbose` to print the full type name to the console

error[E0600]: cannot apply unary operator `!` to type `(..., ..., ..., ...)`
  --> $DIR/binop.rs:14:5
   |
LL |     !x;
   |     ^^ cannot apply unary operator `!`
   |
   = note: the full name for the type has been written to '$TEST_BUILD_DIR/$FILE.long-type-hash.txt'
   = note: consider using `--verbose` to print the full type name to the console

CC #135919.

[rustbot]

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[estebank]

#136328 will conflict with this PR.

[theemathas]

What about unary operators?

[rustbot]

Some changes occurred in need_type_info.rs

cc @lcnr

Some changes occurred in match checking

cc @Nadrieril

[estebank]

Rebased on top of #136328, so it will have to wait for that PR.

Added handling for unops as well.

[bors]

☔ The latest upstream changes (presumably #136433) made this pull request unmergeable. Please resolve the merge conflicts.