Support IPython for Shift+Enter (execute line in terminal)

[sergeyf]

Environment data

• VS Code version: 1.58.2
• OS and version: Windows_NT x64 10.0.19043
• Python version (& distribution if applicable, e.g. Anaconda): 3.9,1
• Type of virtual environment used (N/A | venv | virtualenv | conda | ...): conda
• Value of the python.languageServer setting: pylance-2021.7.4

Expected behaviour

Pressing Shift + Enter copies code to the terminal and executes it

Actual behaviour

Pressing Shift + Enter copies code to the terminal but it doesn't execute

Steps to reproduce:

[karthiknadig]

Duplicate of #169 . We can leave this open as a feature request to directly support IPython.