[PowerRename]Add random string values to file names (#32836)

* Add randomizer cheat sheet texts to UI tooltip

* Add randomizer icon (shuffle) + hint to main window

* Add randomizer logic + helpers, regex parsing

* Fix: remove unnecessary throw

* Fix: remove todo comment

* Fix: iffing logic

* Fix: add offset to randomizer onchange

* Update: guid generating to single function, handle bracket removing there

* Update: toggle off enum feat when random values are selected

* Update: main window UI tooltip texts to be more descriptive

* Update: remove unnecessary sstream include

* Fix: return empty string if chars has no value to avoid memory access violation

* Add unit tests

* Add PowerRename random string generating keywords

* Update: generating value names to be in line with POSIX conventions

* Allow to used with Enumerate at the same time

* Fix spellcheck

* Fix tests to take into account we no longer eat up empty expressions
with randomizer

---------

Co-authored-by: Jaime Bernardo <jaime@janeasystems.com>

src/modules/powerrename/lib/PowerRenameLib.vcxproj

@@ -40,6 +40,7 @@
     <ClInclude Include="PowerRenameManager.h" />
     <ClInclude Include="PowerRenameMRU.h" />
     <ClInclude Include="PowerRenameRegEx.h" />
+    <ClInclude Include="Randomizer.h" />
     <ClInclude Include="Renaming.h" />
     <ClInclude Include="Settings.h" />
     <ClInclude Include="srwlock.h" />
@@ -56,6 +57,7 @@
     <ClCompile Include="PowerRenameManager.cpp" />
     <ClCompile Include="PowerRenameMRU.cpp" />
     <ClCompile Include="PowerRenameRegEx.cpp" />
+    <ClCompile Include="Randomizer.cpp" />
     <ClCompile Include="Renaming.cpp" />
     <ClCompile Include="Settings.cpp" />
     <ClCompile Include="pch.cpp">