[NOTEPAD] Make "UTF-8 without BOM" default (#5081)

- Define a constant ENCODING_DEFAULT that is equal to ENCODING_UTF8.
- Initialize Globals.encFile as ENCODING_DEFAULT.
- Reset encoding and line ending in DIALOG_FileNew.
- AnalyzeEncoding returns ENCODING_DEFAULT for non-zero ASCII text.
- Remove unnecessary DIALOG_StatusBarAlignParts calls.
CORE-18837

base/applications/notepad/main.c

@@ -580,6 +580,7 @@ int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE prev, LPTSTR cmdline, int sh
 
     ZeroMemory(&Globals, sizeof(Globals));
     Globals.hInstance = hInstance;
+    Globals.encFile = ENCODING_DEFAULT;
     NOTEPAD_LoadSettingsFromRegistry();
 
     ZeroMemory(&wndclass, sizeof(wndclass));