Print process dictionary in logs (#5940)

[kdesnos]

What

Update the logs in the following manner:

1. Replace workflow process name list, which mixes defined process names and aliased process names

   [main] DEBUG nextflow.Session - Workflow process names [dsl2]: a
   

   with two lists: one of process definitions from each file, one of aliases used for each process.

   [main] DEBUG nextflow.Session - Workflow process definitions [dsl2]: main.nf [a, other_process, ...], sub.nf [a, ...]
   [main] DEBUG nextflow.Session - Workflow resolved process names: a[main.nf:a], sub:a[sub.nf:a], x[sub.nf:a]  
   

2. Complement the following log line:

   [main] DEBUG nextflow.processor.TaskProcessor - Starting process > x
   

   with typed list of inputs and outputs of the process.

   Starting process > x (type:ArgName, ..., default:$) -> (type:OutName, ...)
   

Motivations

• Makes process info printed logs more complete. Human parsing of nextflow files is no longer needed to easily identify where the code of a process originates from.
• Corrects ambiguous merge of "conflicting" resolved names in the currently printed list: See Merge of conflicting process names in logs #5940 for more details.

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[kdesnos]

Oops.. I thought I'd been very cautious not to alter any existing behavior when modifying the code.. but the unit tests seem broken.

After a quick look, I think one issue is that in ProcessDef unit test, ProcessDef instance is cloned without originating from a script already registered in ScriptMeta. Because of this, the cloneWithName() function I implemented fails. Of course, this scenario never occurr.s.ed in real workflow I tested my code with, as a cloned process always originates from a script.

Unfortunately, I'm off for two weeks so I can't have a look at why the tests are failing at the moment. (Also, I'm not using a proper IDE, only building and running, so I probably need to setup a proper dev environment to debug these issue.)