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

[Owen Pan via cfe-commits]

================
@@ -406,6 +406,10 @@ bool ContinuationIndenter::mustBreak(const LineState &State) {
   }
   if (CurrentState.BreakBeforeClosingParen && Current.is(tok::r_paren))
     return true;
+  if (CurrentState.BreakBeforeClosingAngle && Current.is(TT_TemplateCloser) &&
+      Style.BreakBeforeTemplateCloser == FormatStyle::BBTCS_BlockIndent) {
+    return true;
+  }
----------------
owenca wrote:

```suggestion
  if (CurrentState.BreakBeforeClosingAngle && Current.is(TT_TemplateCloser))
    return true;
```
See below.

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