Revert "Do not truncate whitespace for multi-line string" (#24096)

Reverts #23977

Have to revert #23977
with issue: #23743 due
to #24069

Will revisit why #23743
is breaking if contained inside other top level (in ast term) code
block, and look into how to support
#23743 without
breaking.

python_files/normalizeSelection.py

@@ -26,10 +26,6 @@ def _get_statements(selection):
     This will remove empty newlines around and within the selection, dedent it,
     and split it using the result of `ast.parse()`.
     """
-    if '"""' in selection or "'''" in selection:
-        yield selection
-        return
-
     # Remove blank lines within the selection to prevent the REPL from thinking the block is finished.
     lines = (line for line in split_lines(selection) if line.strip() != "")
 

src/test/python_files/terminalExec/sample2_normalized_selection.py

@@ -1,15 +1,7 @@
 def add(x, y):
-    """
-
-    Adds x
-    to
-    y
-
-
-    """
+    """Adds x to y"""
     # Some comment
     return x + y
 
 v = add(1, 7)
 print(v)
-

src/test/python_files/terminalExec/sample2_raw.py

@@ -1,13 +1,7 @@
 def add(x, y):
-    """
-
-    Adds x
-    to
-    y
-
-
-    """
+    """Adds x to y"""
     # Some comment
+
     return x + y
 
 v = add(1, 7)