Remove @mdi/js as a dependency

matrixgw_frontend/src/icons/AppIcon.tsx

@@ -0,0 +1,18 @@
+import { Icon } from "@mui/material";
+import { useActualColorMode } from "../widgets/dashboard/ThemeSwitcher";
+
+export function AppIcon(p: { src: string; size?: string }): React.ReactElement {
+  const { mode } = useActualColorMode();
+  return (
+    <Icon style={{ display: "inline-flex", width: p.size, height: p.size }}>
+      <img
+        style={{
+          height: "100%",
+          flex: 1,
+          backgroundColor: mode === "dark" ? "white" : "black",
+          mask: `url("${p.src}")`,
+        }}
+      />
+    </Icon>
+  );
+}

matrixgw_frontend/src/icons/message-text-fast.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9 5C7.9 5 7 5.9 7 7V21L11 17H20C21.1 17 22 16.1 22 15V7C22 5.9 21.1 5 20 5H9M3 7C2.4 7 2 7.4 2 8S2.4 9 3 9H5V7H3M11 8H19V10H11V8M2 11C1.4 11 1 11.4 1 12S1.4 13 2 13H5V11H2M11 12H16V14H11V12M1 15C.4 15 0 15.4 0 16C0 16.6 .4 17 1 17H5V15H1Z" /></svg>

matrixgw_frontend/src/icons/openid.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M14,2L11,3.5V19.94C7,19.5 4,17.46 4,15C4,12.75 6.5,10.85 10,10.22V8.19C4.86,8.88 1,11.66 1,15C1,18.56 5.36,21.5 11,21.94C11.03,21.94 11.06,21.94 11.09,21.94L14,20.5V2M15,8.19V10.22C16.15,10.43 17.18,10.77 18.06,11.22L16.5,12L23,13.5L22.5,9L20.5,10C19,9.12 17.12,8.47 15,8.19Z" /></svg>