command: Make input variable values available to "terraform console"

This fixes TestConsole_tfvars.

command/console.go

@@ -74,6 +74,15 @@ func (c *ConsoleCommand) Run(args []string) int {
 		c.showDiagnostics(diags)
 		return 1
 	}
+	{
+		var moreDiags tfdiags.Diagnostics
+		opReq.Variables, moreDiags = c.collectVariableValues()
+		diags = diags.Append(moreDiags)
+		if moreDiags.HasErrors() {
+			c.showDiagnostics(diags)
+			return 1
+		}
+	}
 
 	// Get the context
 	ctx, _, ctxDiags := local.Context(opReq)