[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/PowerRenameInterfaces.h

@@ -17,7 +17,8 @@ enum PowerRenameFlags
     Uppercase = 0x200,
     Lowercase = 0x400,
     Titlecase = 0x800,
-    Capitalized = 0x1000
+    Capitalized = 0x1000,
+    RandomizeItems = 0x2000
 };
 
 enum PowerRenameFilters
@@ -150,3 +151,12 @@ public:
     (_In_ IEnumShellItems * enumShellItems) = 0;
     IFACEMETHOD(Cancel)() = 0;
 };
+
+interface __declspec(uuid("FAB18E93-2E76-436B-8E26-B1240519AF12")) IPowerRenameRand : public IUnknown
+{
+public:
+    IFACEMETHOD(Start)
+    (_In_ IEnumShellItems * enumShellItems) = 0;
+    IFACEMETHOD(Cancel)
+    () = 0;
+};