fix(envs) - load envs of envs before loading the envs

[GiladShoham]

Proposed Changes

• This will make sure that when loading a group of components we load the envs in the correct order in case we have envs of envs. See the following example

CompA uses ReactEnv
CompB uses ReactEnv
ReactEnv uses BitEnv

Until now the loading groups were:

[
  [ReactEnv, BitEnv],
  [CompA, CompB]
]

So ReactEnv and BitEnv were in the same group.
After this change it will look like this:

[
  [BitEnv],
  [ReactEnv],
  [CompA, CompB]
]

• This should also fix the annyoning warning:

environment with ID: bitdev.general/envs/[email protected] configured on component my-custom-env@version was not loaded (run "bit install")