editor/sagas: disable code completion trigger on space

This gets in the way when typing comments and often results in
accepting a completion that was not intended.

Fixes: pybricks/support#894

Author: dlech

CHANGELOG.md

@@ -5,12 +5,14 @@
 ## [Unreleased]
 
 ### Changed
-- Code completion trigger improvements.
+- Code completion trigger improvements ([support#894]).
 
 ### Fixed
 - Fixed terminal layout issues when resizing window vertically.
 - Fixed editor find widget visible over modal dialogs.
 
+[support#894]: https://github.com/pybricks/support/issues/894
+
 ## [2.1.0-beta.3] - 2022-12-28
 
 ### Changed

src/editor/sagas.ts

@@ -606,7 +606,7 @@ function* runJedi(): Generator {
             const subscription = monaco.languages.registerCompletionItemProvider(
                 pybricksMicroPythonId,
                 {
-                    triggerCharacters: ['.', ' '],
+                    triggerCharacters: ['.'],
                     provideCompletionItems(
                         model,
                         position,