Fixes: 1) Correct line references in locale files for consistency;
Extra: Improve formatting and alignment of string segments for clarity and maintainability;
Fixes: 1) Adjusted Django admin translations display logic for improved clarity; 2) Updated locale files across multiple regions (e.g., `ru_RU`, `zh_Hans`, `ro_RO`) to align with new context placeholders;
Extra: Removed obsolete `STOCKS_ARE_SINGLE` setting; minor formatting and spacing corrections in translations and source files.