Fix federated cloud icon sizing and dark theme compatibility

Signed-off-by: Jan-Christoph Borchardt <hey@jancborchardt.net>

apps/federatedfilesharing/css/settings-personal.scss

@@ -17,25 +17,22 @@
 
 [class^="social-"], [class*=" social-"] {
 	background-repeat: no-repeat;
-	background-position: 2px;
+	background-position: 8px;
 	min-width: 16px;
 	min-height: 16px;
-	padding-left: 29px;
-	background-size: 24px;
+	padding-left: 28px;
+	background-size: 16px;
 }
 
-.social-gnu {
-	background-image: url('../img/social-gnu.svg');
-}
 .social-diaspora {
-	background-image: url('../img/social-diaspora.svg');
+	@include icon-color('social-diaspora', 'federatedfilesharing', $color-black);
 }
 .social-twitter {
-	background-image: url('../img/social-twitter.svg');
+    @include icon-color('social-twitter', 'federatedfilesharing', $color-black);
 }
 .social-facebook {
-	background-image: url('../img/social-facebook.svg');
+	@include icon-color('social-facebook', 'federatedfilesharing', $color-black);
 }
 .social-googleplus {
-	background-image: url('../img/social-googleplus.svg');
+	@include icon-color('social-googleplus', 'federatedfilesharing', $color-black);
 }

apps/federatedfilesharing/img/social-googleplus.svg

@@ -1 +1 @@
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+<svg xmlns="http://www.w3.org/2000/svg" height="32" id="Layer_1" viewBox="0 0 32 32" width="32"><path d="M12.26 1c-1.044 0-2.164.12-3.36.365-1.207.284-2.37.885-3.49 1.807C3.776 4.748 2.96 6.502 2.96 8.438c0 1.6.576 3.003 1.73 4.21 1.098 1.292 2.697 1.953 4.795 1.98.395 0 .818-.028 1.266-.078-.074.207-.155.43-.24.676-.1.23-.15.523-.15.87 0 .578.13 1.075.39 1.488.222.424.475.823.76 1.197-.92.026-2.075.142-3.466.346-1.405.244-2.746.73-4.02 1.458-1.138.678-1.924 1.465-2.356 2.36-.447.894-.67 1.71-.67 2.437 0 1.497.688 2.782 2.06 3.857 1.362 1.15 3.422 1.738 6.182 1.763 3.297-.05 5.82-.837 7.567-2.363 1.686-1.475 2.53-3.166 2.53-5.076-.026-1.343-.333-2.432-.923-3.266a13.466 13.466 0 0 0-2.184-2.247l-1.337-1.096a7.868 7.868 0 0 1-.596-.672c-.242-.27-.362-.607-.362-1.02 0-.422.118-.793.352-1.113.2-.31.416-.584.652-.827.41-.36.797-.712 1.16-1.057.33-.345.64-.723.933-1.133.6-.846.912-1.974.935-3.383 0-.77-.087-1.442-.26-2.018a7.594 7.594 0 0 0-1.596-2.633 5.256 5.256 0 0 0-.836-.673h2.43L20.14 1h-7.88zm12.418.17v4.134h-4.134v2.003h4.134v4.134h2.004V7.308h4.134V5.304h-4.134V1.17h-2.004zM9.823 2.304c.807.026 1.52.265 2.14.712.61.475 1.1 1.093 1.474 1.85.794 1.577 1.192 3.145 1.192 4.697 0 .36-.03.803-.088 1.33a4.06 4.06 0 0 1-.643 1.54c-.69.706-1.555 1.08-2.593 1.118-.82 0-1.55-.25-2.19-.752-.64-.5-1.16-1.11-1.563-1.83-.834-1.54-1.25-3.022-1.25-4.447a4.844 4.844 0 0 1 .856-2.927c.708-.835 1.595-1.265 2.663-1.29zm1.667 17.54c.09 0 .16.003.21.01.337 0 .632.01.884.038 1.47 1.026 2.548 1.89 3.24 2.595.65.743.976 1.613.976 2.613 0 1.233-.477 2.238-1.43 3.02-.978.795-2.396 1.205-4.253 1.23-2.07-.025-3.702-.486-4.894-1.382-1.255-.897-1.88-2.04-1.88-3.423 0-.704.143-1.307.433-1.806a4.11 4.11 0 0 1 .92-1.194 5.237 5.237 0 0 1 1.11-.71c.365-.155.646-.27.847-.347a16.935 16.935 0 0 1 2.504-.56c.62-.056 1.065-.085 1.333-.085z" id="path4713" opacity=".5"/></svg>