fix(workspace): fix range of getSelectedRange with line mode

Make range pass next line to include diagnostic pass the end of line.
Since we don't fix range of diagnostics any more.

src/workspace.ts

@@ -631,7 +631,7 @@ export class Workspace implements IWorkspace {
       let line = await nvim.call('line', ['.'])
       let content = document.getline(line - 1)
       if (!content.length) return null
-      return Range.create(line - 1, 0, line - 1, content.length)
+      return Range.create(line - 1, 0, line, 0)
     }
     if (mode === 'cursor') {
       let [line, character] = await nvim.eval("coc#util#cursor()") as [number, number]