Merge branch '4.4'

* 4.4:
  fix merge
  Fix inconsistent return points.
  pass translation parameters to the trans filter
  [Mime] fixed wrong mimetype
  [ProxyManagerBridge] Polyfill for unmaintained version
  [HttpClient] Declare `$active` first to prevent weird issue
  Remove deprecated assertContains
  [HttpClient] fix tests
  SCA: dropped unused mocks, duplicate import and a function alias usage
  Added correct plural for box -> boxes
  [Config] fix test
  Fix remaining tests
  fix getName() when transport is null
  [Console] Check for ErrorHandler classes
  Improve fa (persian) translation

Author: nicolas-grekas

Tests/DeprecationErrorHandler/DeprecationTest.php

@@ -46,8 +46,8 @@ public function testLegacyTestMethodIsDetectedAsSuch()
     public function testItCanBeConvertedToAString()
     {
         $deprecation = new Deprecation('💩', $this->debugBacktrace(), __FILE__);
-        $this->assertContains('💩', $deprecation->toString());
-        $this->assertContains(__FUNCTION__, $deprecation->toString());
+        $this->assertStringContainsString('💩', $deprecation->toString());
+        $this->assertStringContainsString(__FUNCTION__, $deprecation->toString());
     }
 
     public function testItRulesOutFilesOutsideVendorsAsIndirect()