docs: add context parameter to seeElement, dontSeeElement, fillField, selectOption

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: DavertMik

docs/webapi/dontSeeElement.mustache

@@ -1,8 +1,12 @@
 Opposite to `seeElement`. Checks that element is not visible (or in DOM)
 
+The second parameter is a context (CSS or XPath locator) to narrow the search.
+
 ```js
 I.dontSeeElement('.modal'); // modal is not shown
+I.dontSeeElement('.modal', '#container');
 ```
 
 @param {CodeceptJS.LocatorOrString} locator located by CSS|XPath|Strict locator.
+@param {?CodeceptJS.LocatorOrString} [context=null] (optional, `null` by default) element located by CSS | XPath | strict locator.
 @returns {void} automatically synchronized promise through #recorder

docs/webapi/fillField.mustache

@@ -1,6 +1,8 @@
 Fills a text field or textarea, after clearing its value, with the given string.
 Field is located by name, label, CSS, or XPath.
 
+The third parameter is a context (CSS or XPath locator) to narrow the search.
+
 ```js
 // by label
 I.fillField('Email', 'hello@world.com');
@@ -10,7 +12,10 @@ I.fillField('password', secret('123456'));
 I.fillField('form#login input[name=username]', 'John');
 // or by strict locator
 I.fillField({css: 'form#login input[name=username]'}, 'John');
+// within a context
+I.fillField('Name', 'John', '#section2');
 ```
 @param {CodeceptJS.LocatorOrString} field located by label|name|CSS|XPath|strict locator.
 @param {CodeceptJS.StringOrSecret} value text value to fill.
+@param {?CodeceptJS.LocatorOrString} [context=null] (optional, `null` by default) element located by CSS | XPath | strict locator.
 @returns {void} automatically synchronized promise through #recorder

docs/webapi/seeElement.mustache

@@ -1,8 +1,12 @@
 Checks that a given Element is visible
 Element is located by CSS or XPath.
 
+The second parameter is a context (CSS or XPath locator) to narrow the search.
+
 ```js
 I.seeElement('#modal');
+I.seeElement('#modal', '#container');
 ```
 @param {CodeceptJS.LocatorOrString} locator located by CSS|XPath|strict locator.
+@param {?CodeceptJS.LocatorOrString} [context=null] (optional, `null` by default) element located by CSS | XPath | strict locator.
 @returns {void} automatically synchronized promise through #recorder

docs/webapi/selectOption.mustache

@@ -2,13 +2,17 @@ Selects an option in a drop-down select.
 Field is searched by label | name | CSS | XPath.
 Option is selected by visible text or by value.
 
+The third parameter is a context (CSS or XPath locator) to narrow the search.
+
 ```js
 I.selectOption('Choose Plan', 'Monthly'); // select by label
 I.selectOption('subscription', 'Monthly'); // match option by text
 I.selectOption('subscription', '0'); // or by value
 I.selectOption('//form/select[@name=account]','Premium');
 I.selectOption('form select[name=account]', 'Premium');
 I.selectOption({css: 'form select[name=account]'}, 'Premium');
+// within a context
+I.selectOption('age', '21-60', '#section2');
 ```
 
 Provide an array for the second argument to select multiple options.
@@ -18,4 +22,5 @@ I.selectOption('Which OS do you use?', ['Android', 'iOS']);
 ```
 @param {LocatorOrString} select field located by label|name|CSS|XPath|strict locator.
 @param {string|Array<*>} option visible text or value of option.
+@param {?CodeceptJS.LocatorOrString} [context=null] (optional, `null` by default) element located by CSS | XPath | strict locator.
 @returns {void} automatically synchronized promise through #recorder