feat(editor, core): Integrate PostHog (#3865)

* Integrate PostHog - Part 1: Groundwork (#3753)

* Integrate PostHog - Part 2: Event capture (#3779)

* Integrate PostHog - Part 3: Session recordings (#3789)

* Integrate PostHog - Part 4: Experiments (#3825)

* Finalize PostHog integration (#3866)

* 📦 Update `package-lock.json`

* 🐛 Account for absent PH hooks file

* ✨ Create new env `EXTERNAL_FRONTEND_HOOKS_FILES`

* ⚡ Adjust env used for injecting PostHog

* 🐛 Switch to semicolon delimiter

* ⚡ Simplify to `externalFrontendHookPath`

* Refactor FE hooks flow (#3884)

* Add env var for session recordings

* inject frontend hooks even when telemetry is off

* allow multiple hooks files

* cr

* 🐛 Handle missing ref errors

* 🔥 Remove outdated `continue`

* 🎨 Change one-liners to blocks

* 📦 Update `package-lock.json`

Co-authored-by: Ahsan Virani <ahsan.virani@gmail.com>

packages/editor-ui/src/components/CopyInput.vue

@@ -2,7 +2,7 @@
 	<div>
 		<n8n-input-label :label="label">
 			<div :class="{[$style.copyText]: true, [$style[size]]: true, [$style.collapsed]: collapse}" @click="copy">
-				<span>{{ value }}</span>
+				<span ref="copyInputValue">{{ value }}</span>
 				<div :class="$style.copyButton"><span>{{ copyButtonText }}</span></div>
 			</div>
 		</n8n-input-label>
@@ -62,6 +62,9 @@ export default mixins(copyPaste, showMessage).extend({
 			});
 		},
 	},
+	mounted() {
+		this.$externalHooks().run('copyInput.mounted', { copyInputValueRef: this.$refs.copyInputValue });
+	},
 });
 </script>