feat(dav): increase default calendar subscription refresh rate to one day

With the performance benefits from #43541 it makes sense

Reference #46171 (comment)

Signed-off-by: Thomas Citharel <[email protected]>

Author: tcitworld

apps/dav/lib/BackgroundJob/RefreshWebcalJob.php

@@ -42,7 +42,7 @@ public function start(IJobList $jobList): void {
 		$this->fixSubscriptionRowTyping($subscription);
 
 		// if no refresh rate was configured, just refresh once a week
-		$defaultRefreshRate = $this->config->getAppValue('dav', 'calendarSubscriptionRefreshRate', 'P1W');
+		$defaultRefreshRate = $this->config->getAppValue('dav', 'calendarSubscriptionRefreshRate', 'P1D');
 		$refreshRate = $subscription[RefreshWebcalService::REFRESH_RATE] ?? $defaultRefreshRate;
 
 		$subscriptionId = $subscription['id'];

apps/dav/tests/unit/BackgroundJob/RefreshWebcalJobTest.php

@@ -78,7 +78,7 @@ public function testRun(int $lastRun, int $time, bool $process): void {
 
 		$this->config->expects($this->once())
 			->method('getAppValue')
-			->with('dav', 'calendarSubscriptionRefreshRate', 'P1W')
+			->with('dav', 'calendarSubscriptionRefreshRate', 'P1D')
 			->willReturn('P1W');
 
 		$this->timeFactory->method('getTime')