minor symfony#52942 Refactor hyper check location (theofidry)

This PR was merged into the 5.4 branch.

Discussion
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Refactor hyper check location

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | None
| License       | MIT

Extracted from symfony#52940 to reduce the noise of that PR. There is no logic change, only a potentially a performance (I assume non-existent given it's a if check of a constant). If it is a concern however, this could be checked _before_ the windows specific checks.

Commits
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9c09e16 refactor: hyper check

Author: fabpot

src/Symfony/Component/Console/Output/StreamOutput.php

@@ -98,10 +98,6 @@ protected function hasColorSupport()
             return false;
         }
 
-        if ('Hyper' === getenv('TERM_PROGRAM')) {
-            return true;
-        }
-
         if (\DIRECTORY_SEPARATOR === '\\') {
             return (\function_exists('sapi_windows_vt100_support')
                 && @sapi_windows_vt100_support($this->stream))
@@ -110,6 +106,7 @@ protected function hasColorSupport()
                 || 'xterm' === getenv('TERM');
         }
 
-        return stream_isatty($this->stream);
+        return 'Hyper' === getenv('TERM_PROGRAM')
+            || stream_isatty($this->stream);
     }
 }