Adds function to resolve fuzzy tag: * resolve the selected fuzzy flag with empty `msgstr` * resolve the selected fuzzy flag with the old `msgstr` (`#| msgstr`) (Vscode [Command](https://code.visualstudio.com/docs/extensionAPI/vscode-api#Command) & [CodeLens](https://code.visualstudio.com/docs/extensionAPI/vscode-api#_a-namecodelensaspan-classcodeitem-id538codelensspan); example: [better-merge](https://github.com/pprice/vscode-better-merge))
Adds function to resolve fuzzy tag:
msgstrmsgstr(#| msgstr)(Vscode Command & CodeLens; example: better-merge)