Misc theme fixes

static/images/default_light/acknowledge-filled.svg

@@ -62,6 +62,6 @@
     <path
        d="m 98.424959,151.89488 c 0,-0.42719 -0.346361,-0.7697 -0.769692,-0.7697 h -2.432224 l 0.369452,-1.75874 c 0.0077,-0.0385 0.01149,-0.0809 0.01149,-0.1232 0,-0.15778 -0.06542,-0.30402 -0.169332,-0.40794 l -0.407941,-0.40408 -2.532284,2.53229 c -0.142399,0.1424 -0.227059,0.33482 -0.227059,0.54648 v 3.84845 a 0.76969147,0.76969147 0 0 0 0.769691,0.7697 h 3.463611 c 0.319422,0 0.592664,-0.19242 0.708117,-0.46951 l 1.162234,-2.71317 c 0.03463,-0.0884 0.05388,-0.18087 0.05388,-0.28093 v -0.7697 m -8.466606,4.23331 h 1.539382 v -4.61815 h -1.539382 z"
        id="path1"
-       style="stroke-width:0.384845;fill:#fb4934;fill-opacity:1" />
+       style="stroke-width:0.384845;fill:#1b4e78;fill-opacity:1" />
   </g>
 </svg>