decision tree nits

frontend/src/lib/components/apps/editor/settingsPanel/DecisionTreeGraphEditor.svelte

@@ -122,8 +122,8 @@
 												<InputsSpecEditor
 													key={`condition-${selectedNode.id}-${index}`}
 													customTitle={index === 0
-														? 'Goes to the default branch'
-														: `${index > 0 ? 'Otherwise ' : ''}Goes to branch ${index}`}
+														? 'Goes to branch 1'
+														: `${index > 0 ? 'Otherwise g' : 'G'}oes to branch ${index + 1}`}
 													bind:componentInput={subNode.condition}
 													id={selectedNode.id}
 													userInputEnabled={false}

frontend/src/lib/components/apps/editor/settingsPanel/decisionTree/DecisionTreePreview.svelte

@@ -224,10 +224,7 @@
 						position: { x: -1, y: -1 },
 						data: {
 							node: {
-								label:
-									positionRelativeToParent === 0
-										? 'Default branch'
-										: `Branch ${positionRelativeToParent}`,
+								label: `Branch ${(positionRelativeToParent  ?? 0) + 1}`,
 								id: branchHeaderId,
 								allowed: undefined,
 								next: [],