Fix bugprone-use-after-move warnings in `WebExtensionContext::loadDec…

…larativeNetRequestRules`

https://bugs.webkit.org/show_bug.cgi?id=270930
rdar://124554555

Reviewed by Timothy Hatcher.

`completionHandler` was unnecessarily being moved into several lambda captures.

* Source/WebKit/UIProcess/Extensions/Cocoa/WebExtensionContextCocoa.mm:
(WebKit::WebExtensionContext::loadDeclarativeNetRequestRules):

Canonical link: https://commits.webkit.org/276048@main

Source/WebKit/UIProcess/Extensions/Cocoa/WebExtensionContextCocoa.mm

@@ -4208,7 +4208,7 @@ void effectiveAppearanceDidChange(Inspector::ExtensionAppearance appearance) ove
         compileDeclarativeNetRequestRules(allJSONData.get(), WTFMove(completionHandler));
     };
 
-    auto addStaticRulesets = [this, protectedThis = Ref { *this }, completionHandler = WTFMove(completionHandler), applyDeclarativeNetRequestRules = WTFMove(applyDeclarativeNetRequestRules), allJSONData = RetainPtr { allJSONData }] () mutable {
+    auto addStaticRulesets = [this, protectedThis = Ref { *this }, applyDeclarativeNetRequestRules = WTFMove(applyDeclarativeNetRequestRules), allJSONData = RetainPtr { allJSONData }] () mutable {
         for (auto& ruleset : extension().declarativeNetRequestRulesets()) {
             if (!ruleset.enabled)
                 continue;
@@ -4223,8 +4223,8 @@ void effectiveAppearanceDidChange(Inspector::ExtensionAppearance appearance) ove
         applyDeclarativeNetRequestRules();
     };
 
-    auto addDynamicAndStaticRules = [this, protectedThis = Ref { *this }, completionHandler = WTFMove(completionHandler), addStaticRulesets = WTFMove(addStaticRulesets), allJSONData = RetainPtr { allJSONData }] () mutable {
-        [declarativeNetRequestDynamicRulesStore() getRulesWithCompletionHandler:makeBlockPtr([this, protectedThis = Ref { *this }, completionHandler = WTFMove(completionHandler), addStaticRulesets = WTFMove(addStaticRulesets), allJSONData = RetainPtr { allJSONData }](NSArray *rules, NSString *errorMessage) mutable {
+    auto addDynamicAndStaticRules = [this, protectedThis = Ref { *this }, addStaticRulesets = WTFMove(addStaticRulesets), allJSONData = RetainPtr { allJSONData }] () mutable {
+        [declarativeNetRequestDynamicRulesStore() getRulesWithCompletionHandler:makeBlockPtr([this, protectedThis = Ref { *this }, addStaticRulesets = WTFMove(addStaticRulesets), allJSONData = RetainPtr { allJSONData }](NSArray *rules, NSString *errorMessage) mutable {
             if (!rules.count) {
                 m_dynamicRulesIDs.clear();
                 addStaticRulesets();
@@ -4248,7 +4248,7 @@ void effectiveAppearanceDidChange(Inspector::ExtensionAppearance appearance) ove
         }).get()];
     };
 
-    [declarativeNetRequestSessionRulesStore() getRulesWithCompletionHandler:makeBlockPtr([this, protectedThis = Ref { *this }, completionHandler = WTFMove(completionHandler), addDynamicAndStaticRules = WTFMove(addDynamicAndStaticRules), allJSONData = RetainPtr { allJSONData }](NSArray *rules, NSString *errorMessage) mutable {
+    [declarativeNetRequestSessionRulesStore() getRulesWithCompletionHandler:makeBlockPtr([this, protectedThis = Ref { *this }, addDynamicAndStaticRules = WTFMove(addDynamicAndStaticRules), allJSONData = RetainPtr { allJSONData }](NSArray *rules, NSString *errorMessage) mutable {
         if (!rules.count) {
             m_sessionRulesIDs.clear();
             addDynamicAndStaticRules();