Render the formula that is not been cached in html-viewer

[xjiang-at-wiris]

Description

Render the formula that is not been cached in html-viewer.

Steps to reproduce

• On the html-integration project build the viewer with nx build viewer
• Then start the viewer demo using with nx start html-viewer
• With wirispluginperformance checkbox cheked - On the content textarea update a non cached formula and press submit button
• With wirispluginperformance checkbox uncheked - On the content textarea update a non cached formula and press submit button
• Make sure there is not console error and the non-cached formula must be rendered

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#taskid 44942