Fix the event height after adding local variables (#6590)

- Also fix local variable dialog cancel.
- Don't show in changelog

newIDE/app/src/EventsSheet/index.js

@@ -114,7 +114,7 @@ import {
 } from '../MainFrame/ResourcesWatcher';
 import { insertInVariablesContainer } from '../Utils/VariablesUtils';
 import { ProjectScopedContainersAccessor } from '../InstructionOrExpression/EventsScope.flow';
-import VariablesEditorDialog from '../VariablesList/VariablesEditorDialog';
+import LocalVariablesDialog from '../VariablesList/LocalVariablesDialog';
 
 const gd: libGDevelop = global.gd;
 
@@ -2102,9 +2102,8 @@ export class EventsSheetComponentWithoutHandle extends React.Component<
                   />
                 )}
                 {this.state.editedVariable && (
-                  <VariablesEditorDialog
+                  <LocalVariablesDialog
                     project={project}
-                    title={<Trans>Local variables</Trans>}
                     open
                     onCancel={() =>
                       this.setState({
@@ -2112,23 +2111,27 @@ export class EventsSheetComponentWithoutHandle extends React.Component<
                       })
                     }
                     onApply={() => {
+                      const eventContext = this.state.editedVariable
+                        ? this.state.editedVariable.eventContext
+                        : null;
                       this.setState({
                         editedVariable: null,
                       });
-                      if (this._eventsTree)
-                        this._eventsTree.forceEventsUpdate();
+                      if (this._eventsTree && eventContext) {
+                        this._eventsTree.forceEventsUpdate(() => {
+                          const positions = this._getChangedEventRows([
+                            eventContext.event,
+                          ]);
+                          this._saveChangesToHistory('ADD', {
+                            positionsBeforeAction: positions,
+                            positionAfterAction: positions,
+                          });
+                        });
+                      }
                     }}
-                    tabs={[
-                      {
-                        id: 'local-variables',
-                        label: '',
-                        variablesContainer: this.state.editedVariable
-                          .variablesContainer,
-                        onComputeAllVariableNames: () => [],
-                      },
-                    ]}
-                    helpPagePath={'/all-features/variables/local-variables'}
-                    preventRefactoringToDeleteInstructions
+                    variablesContainer={
+                      this.state.editedVariable.variablesContainer
+                    }
                     initiallySelectedVariableName={
                       this.state.editedVariable.variableName
                     }

newIDE/app/src/VariablesList/LocalVariablesDialog.js

@@ -0,0 +1,51 @@
+// @flow
+import * as React from 'react';
+import { Trans } from '@lingui/macro';
+import VariablesEditorDialog from './VariablesEditorDialog';
+
+type Props = {|
+  open: boolean,
+  project: gdProject,
+  variablesContainer: gdVariablesContainer,
+  onApply: (selectedVariableName: string | null) => void,
+  onCancel: () => void,
+  initiallySelectedVariableName: string,
+|};
+
+const LocalVariablesDialog = ({
+  project,
+  variablesContainer,
+  open,
+  onCancel,
+  onApply,
+  initiallySelectedVariableName,
+}: Props) => {
+  const tabs = React.useMemo(
+    () => [
+      {
+        id: 'local-variables',
+        label: '',
+        variablesContainer,
+        onComputeAllVariableNames: () => [],
+      },
+    ],
+    [variablesContainer]
+  );
+
+  return (
+    <VariablesEditorDialog
+      project={project}
+      open={open}
+      onCancel={onCancel}
+      onApply={onApply}
+      title={<Trans>Local variables</Trans>}
+      tabs={tabs}
+      helpPagePath={'/all-features/variables/local-variables'}
+      preventRefactoringToDeleteInstructions
+      id="local-variables-dialog"
+      initiallySelectedVariableName={initiallySelectedVariableName}
+    />
+  );
+};
+
+export default LocalVariablesDialog;