minor #17480 Static code analysis (Koc)

This PR was merged into the 2.3 branch.

Discussion
----------

Static code analysis

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Things that done:
* fix case in method calls
* removed unused imports
* use shorter concat where it possible
* optimize some css
* removed duplicated array keys
* removed redurant return statements
* removed one-time variables
* do not pass arguments that not used in functions

Commits
-------

8db691a Static code analysis

Author: fabpot

Command/TranslationUpdateCommand.php

@@ -95,7 +95,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $extractor = $this->getContainer()->get('translation.extractor');
         $extractor->setPrefix($input->getOption('prefix'));
         foreach ($bundleTransPaths as $path) {
-            $path = $path.'views';
+            $path .= 'views';
             if (is_dir($path)) {
                 $extractor->extract($path, $extractedCatalogue);
             }
@@ -106,7 +106,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $output->writeln('Loading translation files');
         $loader = $this->getContainer()->get('translation.loader');
         foreach ($bundleTransPaths as $path) {
-            $path = $path.'translations';
+            $path .= 'translations';
             if (is_dir($path)) {
                 $loader->loadMessages($path, $currentCatalogue);
             }
@@ -151,7 +151,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             $output->writeln('Writing files');
             $bundleTransPath = false;
             foreach ($bundleTransPaths as $path) {
-                $path = $path.'translations';
+                $path .= 'translations';
                 if (is_dir($path)) {
                     $bundleTransPath = $path;
                 }

Resources/public/css/body.css

@@ -117,7 +117,7 @@ build: 56
     background: transparent url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAAAcCAYAAACtQ6WLAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAR1JREFUeNpiPHnyZCMDA8MNID5gZmb2nAEJMH7//v3N169fX969e/cYkL8WqGAHXPLv37//QYzfv39/fvPmzbUnT56sAXInmJub/2H5/x8sx8DCwsIrISFhDmQyPX78+CmQXs70798/BmQsKipqBNTgdvz4cWkmkE5kDATMioqKZkCFdiwg1eiAi4tLGqhQF24nMmBmZuYEigth1QkEbEBxTlySYPvJkwSJ00AnjYylgU6gxB8g/oFVEphkvgLF32KNMmCCewYUv4qhEyj47+HDhyeBzIMYOoEp8CxQw56wsLAncJ1//vz5/P79+2svX74EJc2V4BT58+fPd8CE/QKYHMGJOiIiAp6oWW7evDkNSF8DZYfIyEiU7AAQYACJ2vxVdJW4eQAAAABJRU5ErkJggg==) right top no-repeat;
 }
 .sf-button .btn-bg {
-    padding: 0px 14px;
+    padding: 0 14px;
     color: #636363;
     line-height: 28px;
     background: transparent url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAcCAYAAACgXdXMAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAClJREFUeNpiPnny5EKGf//+/Wf6//8/A4QAcrGzKCZwGc9sa2urBBBgAIbDUoYVp9lmAAAAAElFTkSuQmCC) repeat-x top left;