Integrating PowerShell Script in C# Assembly Code

Problem
Basically, we have help desk analysts who generate the incidents. SOMETIMES, they may have a need to generate an RMA (Return Merchandise Authorization, if you don't know what that means, just know that it is another form they need to fill out), and that RMA needs to be associated with an incident. An incident does not REQUIRE to have an RMA, but every RMA needs to be attached to its appropriate parent incident.

To do this I created a new class called Flexity.RMA.Class, created a new form from scratch in Visual Studio, and packaged the MP (Management Pack) XML and form assembly (.dll) into an MPB (management pack bundle).
I uploaded this to the console, and created a new console task called "Create RMA" that became visible when selecting the incident module.

This task would launch my PowerShell script, which in turn would take the ID of the incident selected or opened, create an RMA object, and associate the RMA object created with the ID # of the Incident (allowing it to be seen later in the "Related Items" Tab of the incident).
However, I ran into a problem here. I create the linking functionality correctly, but I cannot get the RMA form to automatically open up after it is created. Instead, when the task is run, it creates the object and saves it, but the analyst has to close the incident and reopen it to refresh the new data, navigate to the "Related Items" tab, and select the newly created RMA to open it up and fill out the form. This is alot of extra work and should be eliminated.
The correct functionality should be to create the RMA form, associate it with the open/selected incident, and launch the RMA form it just created to allow the analyst to fill in its details.

Apparently there is no function to call/launch the form directly from the console task. It seems I must modify the assembly code directly to be able to access the SCSM SDK (the layer I need to be working in). This is where I am lost - I have no idea how to convert my PowerShell script to C# Assembly code. Any help would be greatly appreciated.

I have provided my existing code below:

PowerShell Script:

#Script that does the linking and renaming:

# Creates a variable called IncidentID and points Incident # to it for use within the script
Param(
[string]$IncidentID
)

# Load the SMlets module
Import-Module SMlets 

# Get the Incident Class
$IncClass = Get-SCSMClass -Name System.WorkItem.Incident$

# Get the RMA Class
$RMAClass = Get-SCSMClass -Name Flexity.RMA.Class

# Build the Filter String
$FilterStr = "ID -eq " + $IncidentID

# Find the Incident we need to link to an RMA
$Inc = Get-SCSMObject -Class $IncClass -Filter $FilterStr
$RMAIncText = "[Linked to Incident " + $Inc.ID + "]"
$RMADescription = $RMAIncText 
New-SCSMObject -Class $RMAClass -PropertyHashtable (@{Title = $Inc.Title; Description = $RMADescription})

# Find the new RMA to be linked
$FilterStr = "Description -eq '$RMADescription'"
$RMA = Get-SCSMObject -Class $RMAClass -Filter $FilterStr

#Set RMA Number Variable
$RMANumber = $RMA.RMA_ID; 
 
#Clean up DisplayName, Title and Description  
$RMA | Set-SCSMObject -PropertyHashtable @{"DisplayName"  =  $RMANumber; "Title" =  $RMANumber; "Description" =  $RMANumber;   }

## Create an Incident Related Items instance referencing the new RMA
$RWIClass = Get-SCSMRelationshipClass -Name System.WorkItemRelatesToWorkItem$
New-SCSMRelationshipObject -Relationship $RWIClass -Source $Inc -Target $RMA -Bulk

# Unload the SMlets module
Remove-Module SMlets

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Assembly Code:

public class RMATask : ConsoleCommand
    {
        public RMATask()
        {
        }
        public override void ExecuteCommand(IList<NavigationModelNodeBase> nodes, NavigationModelNodeTask task, ICollection<string> parameters)
        {
            IManagementGroupSession session = (IManagementGroupSession)FrameworkServices.GetService<IManagementGroupSession>();
            EnterpriseManagementGroup emg = session.ManagementGroup;

            ManagementPack mp = emg.ManagementPacks.GetManagementPack(new Guid("a82d62c5-ece0-35fd-a266-9afa246dea78"));
            ManagementPackClass mpc = emg.EntityTypes.GetClass(new Guid("4b081ab1-f48e-9c62-77bc-76bc31349030"));
            ManagementPackObjectTemplate mpt = emg.Templates.GetObjectTemplate(new Guid("92ed7c4d-aff5-819e-90f8-c92064c50cd6"));

            NavigationModelNodeBase nodeIn = nodes[0];

            NavigationModelNodeBase nmnbNew;
            NavigationModelNodeTask nmntNew = NavigationTasksHelper.CreateNewInstanceLink(mpc, mpt);
            Microsoft.EnterpriseManagement.GenericForm.GenericCommon.MonitorCreatedForm(nodeIn, nmntNew, out nmnbNew);
        }
    }

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If you need any other info from me please don't hesitate to ask. Thanks in advance to all those who can help.