Add missing function imports

[caendesilva]

Most of these were not imported previously by PhpStorm due to conflicts with polyfills

[codecov]

Codecov Report

Merging #1309 (287775a) into master (57fa92a) will not change coverage.
The diff coverage is n/a.

@@              Coverage Diff              @@
##              master     #1309     +/-   ##
=============================================
  Coverage     100.00%   100.00%             
- Complexity      1323      2646   +1323     
=============================================
  Files            152       304    +152     
  Lines           3459      6918   +3459     
=============================================
+ Hits            3459      6918   +3459     

Impacted Files	Coverage Δ
.../Console/Commands/ChangeSourceDirectoryCommand.php	100.00% <ø> (ø)
...framework/src/Console/Commands/ValidateCommand.php	100.00% <ø> (ø)
...s/framework/src/Console/ConsoleServiceProvider.php	100.00% <ø> (ø)
packages/framework/src/Facades/Config.php	100.00% <ø> (ø)
packages/framework/src/Facades/Filesystem.php	100.00% <ø> (ø)
...rc/Foundation/Concerns/ImplementsStringHelpers.php	100.00% <ø> (ø)
...work/src/Foundation/Internal/LoadConfiguration.php	100.00% <ø> (ø)
...framework/src/Foundation/Kernel/FileCollection.php	100.00% <ø> (ø)
...ges/framework/src/Foundation/Kernel/Filesystem.php	100.00% <ø> (ø)
...ges/framework/src/Foundation/Kernel/Hyperlinks.php	100.00% <ø> (ø)
... and 24 more

... and 152 files with indirect coverage changes

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