[clang] [clang-format] Add BreakBeforeTemplateClose option (PR #118046)

[Owen Pan via cfe-commits]

================
@@ -1235,6 +1239,9 @@ unsigned ContinuationIndenter::addTokenOnNewLine(LineState &State,
         Style.AlignAfterOpenBracket == FormatStyle::BAS_BlockIndent;
   }
 
+  if (PreviousNonComment && PreviousNonComment->is(tok::less))
+    CurrentState.BreakBeforeClosingAngle = true;
----------------
owenca wrote:

```suggestion
  if (PreviousNonComment && PreviousNonComment->is(TT_TemplateOpener)) {
    CurrentState.BreakBeforeClosingAngle =
        Style.BreakBeforeTemplateCloser == FormatStyle::BBTCS_BlockIndent;
  }
```

https://github.com/llvm/llvm-project/pull/118046