feat(editor): add configurable join-lines shortcut

apps/desktop/src/components/editor/QueryEditor.vue

@@ -22,6 +22,7 @@ import { canFormatSqlForDatabaseType, formatSqlForEditing, compressSqlText, type
 import { detectAndFormatStructured } from "@/lib/sql/autoFormat";
 import { enabledSqlParameterSyntaxes, resolveSqlVariableSyntaxToggles } from "@/lib/sql/sqlVariableSyntax";
 import { blankLineDeletionChanges, replaceSelectedEditorText } from "@/lib/editor/queryEditorTextEdits";
+import { joinQueryEditorLines } from "@/lib/editor/queryEditorJoinLines";
 import { createSqlSignatureTooltipDom } from "@/lib/editor/sqlSignatureTooltip";
 import { buildSqlInConditionFromPasteSource, insertTextForSqlInCondition } from "@/lib/sql/sqlInListPaste";
 import { resolveSqlSingleQuoteKeyAction } from "@/lib/sql/sqlQuoteCaret";
@@ -1829,6 +1830,7 @@ function runKeymapExtension(codeMirrorKeymap: (typeof import("@codemirror/view")
         ...binding(shortcuts.indentMore, (view) => codeMirrorIndentMore?.(view) ?? false),
         ...binding(shortcuts.indentLess, (view) => codeMirrorIndentLess?.(view) ?? false),
         ...binding(shortcuts.insertLineBelow, insertLineBelow),
+        ...binding(shortcuts.joinLines, joinQueryEditorLines),
         ...binding(shortcuts.duplicateLine, (view) => codeMirrorCopyLineDown?.(view) ?? false),
         ...binding(shortcuts.deleteLine, (view) => codeMirrorDeleteLine?.(view) ?? false),
         ...binding(shortcuts.moveLineUp, (view) => codeMirrorMoveLineUp?.(view) ?? false),