feat: ability to resolve refs using templating syntax (#1612)

* feat: resolve references using templating syntax

* refactor: moved when references are resolved to one place

* fix: linter

* docs: update map variables doc

internal/compiler/compiler.go

@@ -62,10 +62,6 @@ func (c *Compiler) getVariables(t *ast.Task, call *ast.Call, evaluateShVars bool
 			cache := &templater.Cache{Vars: result}
 			// Replace values
 			newVar := templater.ReplaceVar(v, cache)
-			// If the variable is a reference, we can resolve it
-			if newVar.Ref != "" {
-				newVar.Value = result.Get(newVar.Ref).Value
-			}
 			// If the variable should not be evaluated, but is nil, set it to an empty string
 			// This stops empty interface errors when using the templater to replace values later
 			if !evaluateShVars && newVar.Value == nil {