V10 Fixup GitHub CodeSpaces / VSCode Remote Container (#12882)

* Remove SQL Server part of the CodeSpace - we have SQLite to use

* Update to use .NET 6 and simplified docker stuff

https://github.com/microsoft/vscode-dev-containers/

* Need to set the SQLite Connection string env variable

* Path to SLN has changed to the root of the repo

* Fix up launch and VSCode tasks

.devcontainer/devcontainer.json

@@ -1,26 +1,13 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
-// https://github.com/microsoft/vscode-dev-containers/tree/v0.158.0/containers/dotnet-mssql
+// https://github.com/microsoft/vscode-dev-containers/tree/main/containers/dotnet
 {
-	"name": "C# (.NET) and MS SQL",
+	"name": "C# (.NET) Umbraco & SMTP4Dev",
 	"dockerComposeFile": "docker-compose.yml",
 	"service": "app",
 	"workspaceFolder": "/workspace",
-
+	
 	// Set *default* container specific settings.json values on container create.
-	"settings": {
-		"terminal.integrated.shell.linux": "/bin/bash",
-		"mssql.connections": [
-			{
-				"server": "localhost,1433",
-				"database": "",
-				"authenticationType": "SqlLogin",
-				"user": "sa",
-				"password": "P@ssw0rd",
-				"emptyPasswordInput": false,
-				"savePassword": false,
-				"profileName": "mssql-container"
-			}
-		],
+	"settings": {		
 		"omnisharp.defaultLaunchSolution": "umbraco.sln",
 		"omnisharp.enableDecompilationSupport": true,
 		"omnisharp.enableRoslynAnalyzers": true
@@ -28,14 +15,11 @@
 
 	// Add the IDs of extensions you want installed when the container is created.
 	"extensions": [
-		"ms-dotnettools.csharp",
-		"ms-mssql.mssql"
+		"ms-dotnettools.csharp"
 	],
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// 1433 for SQL if you want to connect from local into the one running inside the container
-	// Can connect to the SQL Server running in the image on local with 'host.docker.internal' as hostname
-	"forwardPorts": [1433, 9000, 5000, 25],
+	"forwardPorts": [9000, 5000, 25]
 
 	// [Optional] To reuse of your local HTTPS dev cert:
 	//
@@ -56,6 +40,4 @@
 	//      2. Drag ~/.aspnet/https/aspnetapp.pfx into the root of the file explorer
 	//      3. Open a terminal in VS Code and run "mkdir -p /home/vscode/.aspnet/https && mv aspnetapp.pfx /home/vscode/.aspnet/https"
 
-	// postCreateCommand.sh parameters: $1=SA password, $2=dacpac path, $3=sql script(s) path
-	"postCreateCommand": "bash .devcontainer/mssql/postCreateCommand.sh 'P@ssw0rd' './bin/Debug/' './.devcontainer/mssql/'"	
 }