Use proper authorative-autoloader for app autoloaders

[rullzer]

Because I'm an idiot I used some non existing keyword to try to set an authoritative classmap.

I noticed we were spending an insane amount of time in findFileWithExtention. This should make that a lot better.

[codecov]

Codecov Report

Merging #7502 into master will increase coverage by 0.05%.
The diff coverage is 5.26%.

@@ Coverage Diff @@## master #7502 +/- ##
============================================
+ Coverage 51.11% 51.16% +0.05% + Complexity 24903 24865 -38 
============================================
Files 1601 1601 Lines 94778 94683 -95 Branches 1368 1368 ============================================
+ Hits 48445 48446 +1 + Misses 46333 46237 -96

Impacted Files	Coverage Δ	Complexity Δ
apps/files/composer/composer/autoload_real.php	0% <0%> (ø)	9 <0> (-2)	⬇️
.../files_sharing/composer/composer/autoload_real.php	0% <0%> (ø)	9 <0> (-2)	⬇️
...tedfilesharing/composer/composer/autoload_real.php	0% <0%> (ø)	9 <0> (-2)	⬇️
apps/oauth2/composer/composer/autoload_real.php	0% <0%> (ø)	9 <0> (-2)	⬇️
apps/user_ldap/composer/composer/autoload_real.php	0% <0%> (ø)	9 <0> (-2)	⬇️
...pps/systemtags/composer/composer/autoload_real.php	0% <0%> (ø)	9 <0> (-2)	⬇️
...ps/sharebymail/composer/composer/autoload_real.php	0% <0%> (ø)	9 <0> (-2)	⬇️
...pps/federation/composer/composer/autoload_real.php	0% <0%> (ø)	9 <0> (-2)	⬇️
apps/dav/composer/composer/autoload_real.php	0% <0%> (ø)	9 <0> (-2)	⬇️
...rver_connector/composer/composer/autoload_real.php	0% <0%> (ø)	9 <0> (-2)	⬇️
... and 11 more

[MorrisJobke]

Is the classmap also dumped for those apps? 🤔

[MorrisJobke]

Tested and works 👍

[MorrisJobke]

Is the classmap also dumped for those apps? 🤔

Just checked and yes it is 😉

[skjnldsv]

I'll get the whip!!! 😠