Add HttpBasic ClientWebRequestPostProcessor [SPR-14682]

[spring-projects-issues]

Rob Winch opened SPR-14682 and commented

It would be nice to have a ClientWebRequestPostProcessor that adds HTTP Basic Authorization header. The usage might look like:

webClient
    .perform(get("/").apply(httpBasic("user", "password")))
    ...;

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Referenced from: pull request #1164