refactor(Analysis): golf Mathlib/Analysis/Normed/Operator/ContinuousLinearMap

[yuanyi-350]

• refactors Normed/Operator/ContinuousLinearMap by reusing mkContinuous in bounded linear continuity proofs and shortening homothety_inverse

Extracted from #37968

[github-actions]

PR summary e4a56bff3e

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff

No declarations were harmed in the making of this PR! 🐙

You can run this locally as follows

## from your `mathlib4` directory:
git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci

## summary with just the declaration names:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh in the mathlib-ci repository contains some details about this script.

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No changes to strong technical debt.

No changes to weak technical debt.

[yuanyi-350]

I ran a profiler comparison for the changed declarations in this PR.

Results (seconds):

• continuous_of_linear_of_boundₛₗ: 0.054674 -> 0.046581 (-14.8%)
• continuous_of_linear_of_bound: 0.052946 -> 0.007329 (-86.2%)
• ContinuousLinearEquiv.homothety_inverse: 0.064832 -> 0.044181 (-31.9%)

Overall:

• All changed declarations are faster in this run.