fix: Use encoded path for dev server

[Artur-]

Allows project folders with spaces to work

Fixes #12221

[caalador]

org.junit.ComparisonFailure: expected:<[/]foo%20bar> but was:<[]foo%20bar>
  at org.junit.Assert.assertEquals(Assert.java:117)
  at org.junit.Assert.assertEquals(Assert.java:146)
  at com.vaadin.base.devserver.AbstractDevServerRunnerTest.shouldPassEncodedUrlToDevServer(AbstractDevServerRunnerTest.java:99)

[Artur-]

Fixed test now that pathinfo is used again

[vaadin-bot]

SonarQube analysis reported 6 issues

1. AbstractDevServerRunner.java#L114: Make "devServerStartFuture" transient or serializable.
2. AbstractDevServerRunner.java#L191: Invoke method(s) only conditionally.
3. AbstractDevServerRunner.java#L380: Either re-interrupt this method or rethrow the "InterruptedException".
4. AbstractDevServerRunner.java#L601: Null passed for non-null parameter of java.util.concurrent.CompletableFuture.getNow(Object) in com.vaadin.base.devserver.AbstractDevServerRunner.handleRequest(VaadinSession, VaadinRequest, VaadinResponse)
5. AbstractDevServerRunner.java#L662: Refactor this method to reduce its Cognitive Complexity from 18 to the 15 allowed.
6. AbstractDevServerRunner.java#L632: Replace this if-then-else statement by a single return statement.

[vaadin-bot]

This ticket/PR has been released with platform 22.0.0.beta2 and is also targeting the upcoming stable 22.0.0 version.