bug(`forge build`): should try to install missing Soldeer dependencies automatically

[ZeroEkkusu]

Component

Forge

Describe the feature you would like

forge build installs git module dependencies automatically if a user didn't run forge install.

However, Soldeer dependencies are not installed automatically on forge build.

Additional context

No response

[zerosnacks]

cc @mario-eth

[mario-eth]

It's in the back of my mind, I did not do it yet cause i wanted to see the traction first but for sure now probably it should install the soldeer dependencies when submodules are also installed.