fix: show line numbers on compiler fail [APE-731]

[antazoey]

What I did

when failing to compile a vyper file, show the formatted message. this will include line numbers whenever applicable!

fixes: #71

errors looks like this now:

UndeclaredDefinition:'hello' has not been declared
  contract "contract_undeclared_variable.vy", function "foo1", line 5:4 
       4 def foo1() -> bool:
  ---> 5     hello = world
  -----------^
       6     return True

notice the line nos

How I did it

use formattedMessage instead of message when it is present.

How to verify it

take a contract like this:

@external
def foo1() -> bool:
    hello = world
    return True

try to compile it:

ape compile

you should see an error like this now:

ERROR: (VyperCompileError) und.vy
UndeclaredDefinition:'hello' has not been declared. 
  contract "und.vy:5", function "foo1", line 5:4 
       4 def foo1() -> bool:
  ---> 5     hello = world
  -----------^
       6     return True

before, it was just something like

ERROR: (VyperCompileError) und.vy
UndeclaredDefinition:'hello' has not been declared. 

yay

Checklist

• [ ] Passes all linting checks (pre-commit and CI jobs)
• [ ] New test cases have been added and are passing
• [ ] Documentation has been updated
• [ ] PR title follows Conventional Commit standard (will be automatically included in the changelog)

[antazoey]

ya just fixed this because was getting annoyed myself when debugging stuff working on the fallback feature