Fix parsing of boolean command line options

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Next Release
 
+<br/>![Bug Fixes](/docs/assets/tags/bug_fixes.svg)
+
+#### Visual Environment
+
+- [Correct handling of command-line flags.][1815] Command line arguments of the
+  form `--backend=false` or `--backend false` are now handled as expected and
+  turn off the "backend" option. The same fix has been applied to all other
+  boolean command-line options as well.
+
+<br/>
+
+[1815]: https://github.com/enso-org/ide/pull/1815
+
 # Enso 2.0.0-alpha.12 (2021-08-13)
 
 <br/>![New Features](/docs/assets/tags/new_features.svg)
@@ -18,6 +31,8 @@
   enhancements and fixes made to the Enso compiler, you can find their release
   notes [here](https://github.com/enso-org/enso/blob/main/RELEASES.md).
 
+<br/>
+
 [1801]: https://github.com/enso-org/ide/pull/1801
 [1775]: https://github.com/enso-org/ide/pull/1775
 [1798]: https://github.com/enso-org/ide/pull/1798

src/js/lib/client/src/index.js

@@ -103,21 +103,25 @@ optParser.options('project', {
 optParser.options('server', {
     group    : configOptionsGroup,
     describe : 'Run the server [true]',
+    type     : 'boolean',
 })
 
 optParser.options('window', {
     group    : configOptionsGroup,
     describe : 'Show the window [true]',
+    type     : 'boolean',
 })
 
 optParser.options('background-throttling', {
     group    : configOptionsGroup,
     describe : 'Throttle animations when run in background [false]',
+    type     : 'boolean',
 })
 
 optParser.options('backend', {
     group    : configOptionsGroup,
     describe : 'Start the backend process automatically [true]',
+    type     : 'boolean',
 })
 
 optParser.options('backend-path', {
@@ -209,6 +213,7 @@ optParser.options('crash-report-host', {
 
 optParser.options('no-data-gathering', {
     describe    : 'Disable the sharing of any usage data',
+    type        : 'boolean',
     default     : false
 })