Add stop_at_indent for Editor::DeleteToBeginningOfLine (#25688)

Added test_beginning_of_line_stop_at_indent editor test

- Follow-up to: https://github.com/zed-industries/zed/pull/25428
- Replaces: https://github.com/zed-industries/zed/pull/25346

This is all authored by @felixpackard in #25346
I just updated it to use `stop_at_indent` instead of
`stop_at_first_char`.

Release Notes:

- Added support for `stop_at_indent` to
`Editor::DeleteToBeginningOfLine` (thanks
[@felixpackard](https://github.com/felixpackard))

Co-authored-by: Felix Packard <felix@rigr.gg>

crates/editor/src/actions.rs

@@ -35,6 +35,13 @@ pub struct SelectToBeginningOfLine {
     pub stop_at_indent: bool,
 }
 
+#[derive(PartialEq, Clone, Deserialize, Default, JsonSchema)]
+#[serde(deny_unknown_fields)]
+pub struct DeleteToBeginningOfLine {
+    #[serde(default)]
+    pub(super) stop_at_indent: bool,
+}
+
 #[derive(PartialEq, Clone, Deserialize, Default, JsonSchema)]
 #[serde(deny_unknown_fields)]
 pub struct MovePageUp {
@@ -226,6 +233,7 @@ impl_actions!(
         ComposeCompletion,
         ConfirmCodeAction,
         ConfirmCompletion,
+        DeleteToBeginningOfLine,
         DeleteToNextWordEnd,
         DeleteToPreviousWordStart,
         ExpandExcerpts,
@@ -292,7 +300,6 @@ gpui::actions!(
         CutToEndOfLine,
         Delete,
         DeleteLine,
-        DeleteToBeginningOfLine,
         DeleteToEndOfLine,
         DeleteToNextSubwordEnd,
         DeleteToPreviousSubwordStart,