Changes to use bundled python package (#12967)

* Set python path in kernel specs when running on SAW devices.

* Use tab spacer for kernel json.

* Update path to jupyter kernelspec.

* removing the kernelspec write

* Changed powershell kernel.json to use  appdata folder

* Addressed PR and added try catches around the code.

* removed redundant try catch

* removed redundant try catch

* removed another try catch

* removed space

Co-authored-by: Cory Rivera <corivera@microsoft.com>

extensions/notebook/saw-kernels/powershell/kernel.json

@@ -0,0 +1,10 @@
+{
+	"argv": [
+		"{ADS_PYTHONDIR}\\python",
+		"{ADS_PYTHONDIR}\\Lib\\site-packages\\powershell_kernel\\__main__.py",
+		"-f",
+		"{connection_file}"
+	],
+	"display_name": "PowerShell",
+	"language": "powershell"
+}