Fix interpolation in Log points, switch to double quotes (#1270)

* Fix interpolation in Log points, switch to double quotes

Fix #2654

* Escape double quotes for log point msgs to make using them easier

Author: rkeithhill

src/PowerShellEditorServices/Services/DebugAdapter/Debugging/BreakpointApiUtils.cs

@@ -177,7 +177,7 @@ public static ScriptBlock GetBreakpointActionScriptBlock(string condition, strin
                 StringBuilder builder = new StringBuilder(
                     string.IsNullOrEmpty(logMessage)
                         ? "break"
-                        : $"Microsoft.PowerShell.Utility\\Write-Host '{logMessage}'");
+                        : $"Microsoft.PowerShell.Utility\\Write-Host \"{logMessage.Replace("\"","`\"")}\"");
 
                 // If HitCondition specified, parse and verify it.
                 if (!(string.IsNullOrWhiteSpace(hitCondition)))