PolishWording: Fix 'i' capitalization (#573)

* Fix 'i' capitalization

* Remove redundant capitalization fix for 'i'

Removed duplicate capitalization fix for stand-alone 'i'.

* Fix spacing in polishWording index.ts

---------

Co-authored-by: thororen <78185467+thororen1234@users.noreply.github.com>

src/equicordplugins/polishWording/index.ts

@@ -275,8 +275,8 @@ function capitalize(textInput: string): string {
         }
     }
 
-    // We'll fix capitalization of I's
-    result = result.replace(/\bi[\b']/g, "I");
+    // Stand-alone i's turn into I, unless there's the word 'is' after, cus then it's a vowel and not someone talking about themselves
+    result = result.replace(/\bi\b(?!\s+is\b)(?=['\s]|$)/g, "I");
 
     return result;
 }