Group import hints (#56753)
This is my attempt to resolve #53000.
```
julia> solve
ERROR: UndefVarError: `solve` not defined in `Main`
Suggestion: check for spelling errors or missing imports.
Hint: a global variable of this name also exists in CommonSolve.
- Also exported by SciMLBase.
- Also exported by DiffEqBase.
- Also exported by JumpProcesses.
- Also exported by LinearSolve.
- Also exported by BracketingNonlinearSolve (loaded but not imported in Main).
- Also exported by SimpleNonlinearSolve.
- Also exported by NonlinearSolve.
- Also exported by OrdinaryDiffEqLowStorageRK (loaded but not imported in Main).
- Also exported by OrdinaryDiffEqSSPRK (loaded but not imported in Main).
- Also exported by OrdinaryDiffEqVerner (loaded but not imported in Main).
- Also exported by OrdinaryDiffEqBDF (loaded but not imported in Main).
- Also exported by OrdinaryDiffEqTsit5 (loaded but not imported in Main).
- Also exported by OrdinaryDiffEqRosenbrock (loaded but not imported in Main).
- Also exported by OrdinaryDiffEqDefault (loaded but not imported in Main).
- Also exported by Sundials.
```
I would have beefed up the test case, but can't follow how it works.
---------
Co-authored-by: Alex Arslan <ararslan@comcast.net>
Co-authored-by: Ian Butterworth <i.r.butterworth@gmail.com>
Co-authored-by: Jameson Nash <vtjnash@gmail.com>
