ISTWCMS-5210: add icons for opportunity list and teaser

images/layout_builder_browser/opportunitylist.svg

+<svg xmlns="http://www.w3.org/2000/svg" width="30" height="30" viewBox="0 0 30 30"><defs><style>.background{fill:#85bef4;}</style></defs><rect class="background" x="0.5" y="0.5" width="29" height="29"/><path d="M29,1V29H1V1H29m1-1H0V30H30V0Z"/><rect x="11.13" y="22.5" width="13.99" height="3" rx="0.75"/><rect x="11.13" y="16.51" width="13.99" height="3" rx="0.75"/><circle cx="7.13" cy="18.01" r="2.25"/><circle cx="7.13" cy="24" r="2.25"/><path d="M4.64,8.71v0A5.19,5.19,0,0,1,10,3.57a5.14,5.14,0,0,1,5.33,5.08v0A5.19,5.19,0,0,1,10,13.79,5.14,5.14,0,0,1,4.64,8.71Zm7.4,0v0A2.1,2.1,0,0,0,10,6.47,2.06,2.06,0,0,0,8,8.65v0A2.1,2.1,0,0,0,10,10.89,2.07,2.07,0,0,0,12,8.71Z"/></svg>

images/layout_builder_browser/opportunityteaser.svg

+<svg xmlns="http://www.w3.org/2000/svg" width="30" height="30" viewBox="0 0 30 30"><defs><style>.background{fill:#85bef4;}</style></defs><rect class="background" x="0.5" y="0.5" width="29" height="29"/><path d="M29,1V29H1V1H29m1-1H0V30H30V0Z"/><path d="M24.14,9.38H20.62V7.27a2.1,2.1,0,0,0-2.1-2.11h-7a2.1,2.1,0,0,0-2.1,2.11V9.38H5.86a2.1,2.1,0,0,0-2.11,2.1V22.73a2.1,2.1,0,0,0,2.11,2.11H24.14a2.1,2.1,0,0,0,2.11-2.11V11.48A2.1,2.1,0,0,0,24.14,9.38ZM11.48,7.27h7V9.38h-7ZM6.12,11.48H23.88a.27.27,0,0,1,.26.27V15H5.86V11.75A.27.27,0,0,1,6.12,11.48ZM23.88,22.73H6.12a.26.26,0,0,1-.26-.26V17.11h6.33v1.05a1.05,1.05,0,0,0,1.05,1.06h3.52a1.05,1.05,0,0,0,1-1.06V17.11h6.33v5.36A.26.26,0,0,1,23.88,22.73Z"/></svg>