chore: bring back dblclick alias (#6667)

docs/src/api/class-elementhandle.md

@@ -200,6 +200,9 @@ When all steps combined have not finished during the specified [`option: timeout
 Returns the content frame for element handles referencing iframe nodes, or `null` otherwise
 
 ## async method: ElementHandle.dblclick
+* langs:
+  - alias-csharp: DblClickAsync
+
 This method double clicks the element by performing the following steps:
 1. Wait for [actionability](./actionability.md) checks on the element, unless [`option: force`] option is set.
 1. Scroll the element into view if needed.

docs/src/api/class-frame.md

@@ -248,6 +248,9 @@ When all steps combined have not finished during the specified [`option: timeout
 Gets the full HTML contents of the frame, including the doctype.
 
 ## async method: Frame.dblclick
+* langs:
+  - alias-csharp: DblClickAsync
+
 This method double clicks an element matching [`param: selector`] by performing the following steps:
 1. Find an element matching [`param: selector`]. If there is none, wait until a matching element is attached to
    the DOM.

docs/src/api/class-mouse.md

@@ -74,6 +74,9 @@ Shortcut for [`method: Mouse.move`], [`method: Mouse.down`], [`method: Mouse.up`
 ### option: Mouse.click.delay = %%-input-down-up-delay-%%
 
 ## async method: Mouse.dblclick
+* langs:
+  - alias-csharp: DblClickAsync
+
 Shortcut for [`method: Mouse.move`], [`method: Mouse.down`], [`method: Mouse.up`], [`method: Mouse.down`] and
 [`method: Mouse.up`].
 

docs/src/api/class-page.md

@@ -682,6 +682,9 @@ Only available for Chromium atm.
 Browser-specific Coverage implementation. See [Coverage](#class-coverage) for more details.
 
 ## async method: Page.dblclick
+* langs:
+  - alias-csharp: DblClickAsync
+
 This method double clicks an element matching [`param: selector`] by performing the following steps:
 1. Find an element matching [`param: selector`]. If there is none, wait until a matching element is attached to
    the DOM.

utils/doclint/generateDotnetApi.js

@@ -289,8 +289,6 @@ function toMemberName(member, options) {
  * @returns {string}
  */
 function toTitleCase(name) {
-  if (name === 'dblclick')
-    return 'DblClick';
   return name.charAt(0).toUpperCase() + name.substring(1);
 }