Fix: Post excerpt overflows in 3 column layout of query loop

[Rishit30G]

What?

Closes #69588

Why?

This PR is necessary to avoid the overflow of text happening in post excerpt

How?

This PR adds the word-wrap: break-word to avoid the overflow of post excerpt

Testing Instructions

• Create a new post
• Add a title to the post and some long words in the editor like LoremIpsumLoremIpsumLoremIpsum
• Save the post
• Create a new post
• Add a Query Block to it with 3 column layout
• Save the post and notice on the frontend that the text overflow is no more

Screenshots or screencast

Before	After

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Co-authored-by: Rishit30G <[email protected]>

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