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: https://github.com/pybricks/support/issues/894

src/editor/sagas.ts

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