Automatic merge from branch-5.4

* origin/branch-5.4:
  it-plugins - enforce analysis of C/C++ project without build-wrapper
  SONAR-4004 require 3 characters to search
  SONAR-7129 WS api/components/tree search query parameter must have at least 3 characters
  SONAR-7135 WS api/measures/component_tree search query parameter has at least 3 characters

diff --cc server/sonar-server/src/test/java/org/sonar/server/component/ws/TreeActionTest.java
Simple merge

diff --cc server/sonar-server/src/test/java/org/sonar/server/measure/ws/ComponentTreeActionTest.java
Simple merge